tan inverse cos x/1-sin x
write in simplest form? ...?

Answers

Answer 1

tan [arccos(x) ] / [1 - sin(x) ]

1) First work the numerator, which is the confussing part

x = cos(y) => arccos(x) = y

tan [arccos(x) ] = tan (y) = sin (y) / cos (y)

using the fundamental identity

[cos(y)] ^2 + [sin(y)}^2 = 1 => sin (y) = √(1 - [cos(y)]^2 ) = √(1 - x^2)

=> tan (y) = sin(y) / cos(y) = √(1-x^2) / x ... this is the numerator

2) write the complete fraction using the numerator just found

[√(1 - x^2) / x] / (1 - sin(x) ) = √(1 - x^2) / [x (1 - sin(x) ]

Answer: √(1 - x^2) / [x (1 - sin(x) ]

Related Questions

On average, sloths spend 16.5 hours per day sleeping. what percent of the day do sloths spend sleeping? round your answer to the nearest percent.

Answers

Unknown if you wanted to be clever
on average means typically so there is data called "outliers"
Moreover it doesn't say what average percent of the day and it doesn't mention the planet, namely Earth..
there could be sloths on other planets and those other planets are likely to have different hours in the day.

Which of the following is the inverse function of y = 3x + 1?

x = 3y + 1
y = (1/3)x + 1/3
y = (x – 1)/3
y = x/3 - 1

Answers

y= (x-1) /3 is the correct answer

Answer:

Option C is the correct answer : [tex]y=\frac{(x-1)}{3}[/tex]

Step-by-step explanation:

[tex]y=3x+1[/tex]

For finding the inverse of this function, we will interchange x and y, then solve for y.

[tex]3y=x-1[/tex]

[tex]y=\frac{x-1}{3}[/tex]

Hence, option C is the correct answer : [tex]y=\frac{(x-1)}{3}[/tex]

Which is the graph of linear inequality x-2y>-12 help!

Answers

Answer:

The below attached graph shows the given inequality.

Step-by-step explanation:

Here, the given inequality,

x - 2y > -12

Since, related equation of the inequality,

x - 2y = -12

Which is a line passes through (-12, 0) and (0, 6)

Also, '>' represents dotted line,

So, join these two points by dotted line in the coordinate plan,

Now,

0 - 2(0) > -12 (True)

i.e. shade the region of the line that contains origin.

By the above explanation we will get the graph of given inequality ( shown below )

The product of 8 and the sum of 4 and a number is 112. What is the number?

Which equation could be used to solve for the number?

Answers

Product of 8 and the sum of 4 and a number:

sum of 4 and a number: (4 + n)

Product of 8

8 x (4 + n) is 112

8 x (4 + n) = 112

Distribute

32 + 8n = 112

Subtratc

8n = 80

Divide by 8

n = 10

The number is 10, and next time please put options because it says "Which equation could be used to solve for the number?"

You probably are supposed to use PEMDAS (the order of operations) to represent this equation so i would choose C.

It sounds like 8*(n+4)=112 then you have simple algebraic equation that could be solved by a TI-Calculator or by hand
Divide both sides by 8
Subtract four from both sides
You're left with n= the answer

The following set of coordinates represents which figure?

(3, -5), (5, -2), (10, -4), (8, -7)

A. parallelogram
B. rectangle
C. trapezoid
D. square
...?

Answers

Answer:

Option A is correct.

Step-by-step explanation:

Given:

Coordinates of the figure are ( 3 , -5 ) , ( 5 , -2 ) , ( 10 , 4 ) and ( 8 , -7 )

To find: Shape of the figure.

First we plot the given coordinates of the point on the graph then see which shape we obtained.

Graphing these points we get attached graph.

Clearly from graph it is a parallelogram because opposite sides are equal and parallel.

It is not a rectangle as clearly from graph angles at vertex are not right angle.

Therefore, Option A is correct.

Final answer:

To identify the geometric figure that the coordinates represent, plot the points, determine the slopes and lengths of the sides, and verify the properties of the geometric figures such as parallel sides and right angles.

Explanation:

The student has provided the coordinates of a figure and asks which geometric figure they represent. To determine the figure, we need to consider the characteristics of the points given.

The coordinates provided are (3, -5), (5, -2), (10, -4), and (8, -7). By plotting these points on a Cartesian plane and connecting them in order, we could identify the figure based on the slopes of the sides and the lengths of the segments, which indicate parallel and perpendicular lines.

We need to calculate the distances between consecutive points and the slopes of the lines to confirm whether opposite sides are equal and parallel (a characteristic of a parallelogram) and whether all angles are right angles (a characteristic of a rectangle). These calculations can confirm the identity of the figure.

What number is 0.77% of 900?

Answers

6.93

is what youre looking for

the ans is 693 becoz 0.77%=77/100*900=693

is (4,2) a solution to the system y-x=2 and -3x -2y= -8

Answers

to figure out the answer here, all you have to do is plug the given point into your equations and see if the result is true:

(4, 2) .... aka (x, y)

2 - 4 = 2
-2 = 2 ... this one is FALSE, as -2 doesn't equal 2, so already you can tell that the point won't be a solution, but still, check the second equation.

-3(4) - 2(2) = -8
-12 - 4 = -8
-16 = -8 .... this one is also false. (4, 2) is not a solution for this system of equations.

4.2(3.9r – 5.9s) 7.9s – 9.53r

Answers

I hope this helps you

16,38r-24,78s+7,9s-9,53r

6,85r-16,88s

Answer:

Step-by-step explanation:

i just did the quiz

Reg sells cars. he makes a base salary of $25,000, plus $1500 per car he sells. the function that models this situation is s = 1500x 25000. after working at the car dealership for 2 years, he gets a raise. he now makes $1700 per car he sells. what is the new function that models this situation?

Answers

s1=1700x+25000. s1 for new function or any letter you prefer to represent y

You are dividing two square roots, and the radicand in the denominator does not divide into the radicand in the numerator. Explain what you need to do.

Answers

[tex] \frac{ \sqrt{x} }{ \sqrt{y} } \\ \\ \frac{ \sqrt{x} }{ \sqrt{y} } \times \frac{ \sqrt{y} }{ \sqrt{y} } \\ \\ \frac{ \sqrt{x} \sqrt{y} }{ \sqrt{y} \sqrt{y} } \\ \\ \frac{ \sqrt{xy} }{ y } [/tex]

How do i describe the shape of the graph of each cubic function by determining the end behavior and number of turning points?
for ex. y=3x^3-x-3 ...?

Answers

A cubic is conventionally pictured as a rising curve, passing through a maximum and then a minimum before rising again - a double-humped curve. But depending on the relative sizes of the coefficients of the terms, and hence the proportion of functions with even or odd symmetry, the overall shape may differ widely. In particular, if the terms with odd symmetry dominate, the curve may not show either a maximum or a minimum, with the slope always of the same sign ie it is monotonically increasing or decreasing.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Rotating a triangle by 50 degrees will change the measures of the exterior angles by _________.

A. -50 degrees
B. 50 degrees
C. 0 degrees

Answers

c it will not change its still a triangle

195 s; minutes
a. 4.5 min
b. 3 min
c. 3.25 min
d. 2.5 min

Answers

c)3.25
195÷60=3.25
every min is 60 seconds

it would be C.3.25 mins

hope this helps you

Solve -23.7 + d = -48.57.

-4.62
-46.2
-24.87
-72.27

Answers

[tex]-23.7+d=-48.57[/tex]
isolate the variable by adding 23.7 [tex]-23.7+d+23.7=-48.57+23.7[/tex]
[tex]d=-48.57+23.7=-24.87[/tex]

Answer:-24.87 is the correct answer, i checked it!

Step-by-step explanation:

Which term describes the dotted line in the quadrilateral?
A. vertex
B. side
C. diagonal
D. angle ...?

Answers

The best and most correct answer among the choices provided by your question is the third choice or letter C.

A diagonal is the term that describes the dotted line in the quadrilateral.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

A plumber charges a $45 fee to make a house call and then $25 for each hour of labor. The plumber uses an equation in the form y=mx +b to determine the amount to charge each customer. What is the value of m in the equation?

Answers

m=slope
In this case the slope would be $25
y=mx+b
y=25x+45

Answer: m=25

Answer:

Let x represents the number of hours of labor and y represents the total charges.

Since, in the given situation,

The total charges = A fixed charge for house call + Extra charge per hours,

Fixed charge for house call = $ 45,

Extra charges for every hour = $ 25,

⇒ Extra charge for x hours = 25 x,

Thus, the total charges for x hours,

y = 45 + 25 x

Which is the required equation that will use to determine the amount to charge each customer.

By comparing this equation with y = mx + c,

m = 25

Find the possible value or values of z in the quadratic equation z2 – 4z + 4 = 0. A. z = 2√ 2 + 2, z = −√ 2 + 2 B. z = 2 C. z =√ 2 + 2, z = −√ 2 + 2 D. z = 10, z = 6

Answers

Start with the given equation
Let's use the quadratic formula to solve for z
Start with the quadratic formula
Break up the expression.
Combine like terms
Simplify
So the solution is z=2 (with a multiplicity of 2) z^2 - 4z + 4 = 0
Factor to get:
(z-2)(z-2) = 0
Since the product is zero, one of the factors must be zero:
z-2 = 0
Therefore z = 2

Answer:

z=2

Step-by-step explanation:

im not going to explain it because the other person explained it but i will just show you a trick, might not always work but for the equation z^2 -4z+4=0 if you try putting 2 in for z it will be true 0=0... (2)^2 -4(2) +4= 0

PLEASE HELP ME IM TRYING TO GET THIS DONE AND NOBODY IS HELPING ME Triangle ABC below is reflected over the y-axis.
a What are the coordinates of the reflected triangle
b Describe in words what happened to the x coordinates and the y coordinates of the original triangles vertices as a result of this reflection

Answers

y axis reflected, just imagine it
means all x values are going to turn negative
initial values:
A=(1,3)
B=(4,5)
C=(3,1)

reflected
A'=(-1,3)
B'=(-4,5)
C'=(-3,1)

A.
the reflected coordinates are A'=(-1,3), B'=(-4,5), C'=(-3,1)

B. the x coordinates flip flopped, they turned negative, y coordinates stayed the same

Three dentists wanted to compare the ages of their patients. They each calculated their patients’ mean age and the mean absolute deviation of their ages. They displayed the results in a table.
Which statements are true?
Choose exactly two answers that are correct.
DentistMean patient ageMAD
Appiah439.7
Cantwell2913.9
Singh4114.1
A. Dr. Appiah’s patients’ ages vary more than do Dr. Cantwell’s patients’ ages.
B. Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
C. Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same amount.

Answers

B. Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.

C. Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same amount.

A woman at a point A on the shore of a circular lake with radius r=4 wants to arrive at the point C diametrically opposite A on the other side of the lake in the shortest possible time. She can walk at the rate of 10mph and row a boat at 5mph. What is the shortest amount of time it would take her to reach point C?
I'm not sure where to start... :(

Answers

Final answer:

The shortest possible time for the woman to reach the point diametrically opposite on the other side of the lake is 0.8 hours, regardless if she chooses to walk around the lake or row across it.

Explanation:

The subject of this problem is about distance and speed, and involves optimizing the total travel time. The woman has two main options: to walk around the lake or to row across it. The diameter of the lake is 2r=8, if she walked, it would take her 8/10=0.8 hours to reach point C.

However, if she rows straight across the lake, the distance is the radius of the lake, which is 4 miles. The time taken to row across the lake is therefore 4/5=0.8 hours.

So, both options take the exact same time of 0.8 hours. Therefore, the shortest amount of time it would take for her to reach point C is 0.8 hours whether she chooses to walk around the lake or row across it.

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The shortest amount of time it would take for the woman to reach point C is [tex]2[/tex] hours.

1. Walking from A to B:

- Distance [tex]$ AB = 4 $[/tex] miles

- Walking speed = 10 mph

- Time [tex]$ \text{Time}_{\text{walk}} = \frac{4}{10} = 0.4 $ hours[/tex]

2. Rowing from B to C:

- Distance [tex]$ BC = 8 $[/tex] miles (since [tex]$ AC = 8 $[/tex] miles and [tex]$ AC = 8 $[/tex] miles)

- Rowing speed = 5 mph

- Time [tex]$ \text{Time}_{\text{row}} = \frac{8}{5} = 1.6 $ hours[/tex]

3. Total time:

[tex]\( \text{Total time} = \text{Time}_{\text{walk}} + \text{Time}_{\text{row}} = 0.4 + 1.6 = 2 hours[/tex]

Therefore, the shortest amount of time it would take for the woman to reach point C is [tex]2[/tex] hours.

Baby jacobs birth weight was 10 pounds one week after being born his weight was 9 pounds what was the percent of decrease in jacobs weight

Answers

Baby Jacobs weight has decreased by 10% in just one week.

its 10%.

hope this helps you

The table shows the result of a restaurant survey.
Meals Service Good Service poor Total
Lunch 49 39 88
Dinner 19 15 34
Total 68 54 122
Find the probability the service was poor, given that the meal was dinner.

Answers

If the meal was dinner there were total of 34 that have been in the survey. Out of those 34, 15 of them said that service was poor.

That simply means that 15/34 is the probability that the service was poor if you are taking dinner.

what is 40% in fraction form

Answers

Since we have 40 out of 100
40/100 reduces to 4/10
but then dividing 4 by 2 and 10 by 2 we have 2/5

To write a percent as a fraction in lowest terms, first remember that a percent is a ratio that compares a number to 100. In this case, 40% can be written as the ratio 40 to 100 or [tex]\frac{40}{100}[/tex]. Notice however that [tex]\frac{40}{100}[/tex] is not in lowest terms so we need to divide the numerator and the denominator by 20 which gives us [tex]\frac{2}{5}[/tex].

Create a log expression, using the laws of logs, that simplifies to 7^x = 64.

This makes no sense to me! Help!

What are the log laws?

Answers

x = log65 (base 7 logs)

Final answer:

To create a log expression that simplifies to 7^x = 64, we need to use the logarithmic and exponential laws.

Explanation:

To create a log expression that simplifies to 7^x = 64, we need to use the logarithmic and exponential laws.

First, we can rewrite the exponential equation as a logarithmic equation, which is x = log7(64).Next, we can use the logarithmic property that states logb(ax) = x * logb(a). Applying this property, we have x = log7(26) = 6 * log7(2).

Therefore, the log expression that simplifies to 7^x = 64 is x = 6 * log7(2).

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Marta walked at 3.9 miles per hour for 0.72 hours. How far did she walk?

Answers

3.9 x 0.72 = 2.808????????

this is a porportion, she is walking 3.9 every hour so that is 3.9/1 (1 representing the one hour) and she only walked .72 hours and we dont know far she walked for, so its x/.72 we cross multiply (not cross cancel) and we get 3.9×.72=x
we multiply those decimals and we get 2.808 miles she had walked. Hope that helps.

solve the equation. Check for extraneous solutions.

[tex]2|7-7x|=2x+4 [/tex]

Answers

2(7-7x) = 2x + 4
14 - 14x = 2x +4
16x = 10
x = 10/16
x = 0.625

2[-(7-7x)] = 2x + 4
-14 +14x = 2x + 4
12x = 18
x = 18/12
x = 1.5

answer:
solutions x = 0.625 and x = 1.5

Answer: The answer is [tex]\dfrac{5}{8},~\dfrac{3}{2}[/tex] and no extraneous solution.

Step-by-step explanation: The given equation is

[tex]2|7-7x|=2x+4.[/tex]

We are given to solve this equation and also find its extraneous solution.

The solution is as follows:

[tex]2|7-7x|=2x+4\\\\\Rightarrow |7-7x|=x+2\\\\\Rightarrow 7-7x=x+2,~~~~~-7+7x=x+2\\\\\Rightarrow 8x=5,~~~~~~~~~~~~~~~~\Rightarrow 6x=9\\\\\\\Rightarrow x=\dfrac{5}{8},~~~~~~~~~~~~~~~~~\Rightarrow x=\dfrac{3}{2}.[/tex]

now, for [tex]x=\dfrac{5}{8}[/tex], we have

[tex]L.H.S.=2|7-7\times \dfrac{5}{8}|=\dfrac{21}{4},\\\\R.H.S.=2\times\dfrac{5}{8}+4=\dfrac{21}{4}.[/tex]

So, this solution is not extraneous.

For [tex]x=\dfrac{3}{2}[/tex], we have

[tex]L.H.S.=2|7-7\times \dfrac{3}{2}|=7,\\\\R.H.S.=2\times\dfrac{3}{2}+4=7.[/tex]

So, this solution is also not extraneous.

Hence, the solution is [tex]\dfrac{5}{8},~\dfrac{3}{2}[tex] and there is no extraneous solution.

PLEASE HELP AND BRAINLYEST ANSWER TO CORRECT ANSWER

Answers

The answer to your question is 2/19

4 (x+5)=3 (x-2)-2 (x+2)

Answers

4x+5=3x-6-2x-4
4x+5=x-10
4x+15=x
3x+15=0
3x=-15
x=-5
I think that's right
Happy Holidays

4x+20=3x-6-2x-4
4x+20=x-10
4x-x=-10-20
3x=-30
X=-10

An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is
A. 2x-y=pi-1 B. 2x+y=pi+1 C. 2x-2y=2-pi D. 4x+2y=2-pi I got A

Answers

lo que queres es 34 5 5 5

Solve the inequality 2x - 3 < x 2 ≤ 3x 5. show your work

Answers

Answer:

-3/2 ≤ x < 5

Step-by-step explanation:

2x - 3 < x + 2 ≤ 3x+5

Solve the inequality separately

2x-3 <x+2 and x+2≤ 3x+5

LEts solve one by one

2x-3 <x+2

Subtract x from both sides

x -3 < 2

add 3 on both sides

x< 5

x+2≤ 3x+5

Subtract 3x from both sides

-2x + 2 ≤ 5

Subtract 2 from both sides

-2x ≤ 3

Divide both sides by -2

x ≥ -3/2

we got x>= -3/2 and x<5

so x lies between -3/2 and 5

-3/2 ≤ x < 5

The solution to the given inequality is -3/2 ≤ x < 5.

To solve the given inequality: 2x - 3 < x + 2 ≤ 3x + 5, we can break it down into two separate inequalities and solve them individually.

2x - 3 < x + 2:

Subtracting x from both sides:

2x - x - 3 < x - x + 2

x - 3 < 2

Adding 3 to both sides:

x - 3 + 3 < 2 + 3

x < 5

Now x + 2 ≤ 3x + 5:

Subtracting x from both sides:

x - x + 2 ≤ 3x - x + 5

2 ≤ 2x + 5

Subtracting 5 from both sides:

2 - 5 ≤ 2x + 5 - 5

-3 ≤ 2x

Dividing both sides by 2:

-3/2 ≤ x

Combining the results from both inequalities:

-3/2 ≤ x < 5

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tan inverse cos x/1-sin x write in simplest form? ...?

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tan inverse cos x/1-sin x
write in simplest form? ...?