Evaluate Expressions That Include the Inverse Sine or Cosine Function

Practice Questions

Pre-Calculus › Evaluate Expressions That Include the Inverse Sine or Cosine Function

Questions

6

1

Find the inverse of the function

.

Make sure the final notation is only in the forms including , , and .

2

Evaluate:

$cos^-^1\left(-\frac{\sqrt3}{2}\right)+cos^-^1\left(\frac{\sqrt3}{2}\right)$

3

Consider $sin(\theta)=-\frac{1}{2}$ , where theta is valid from $\left [ 0,2\pi\right ]$ . What is a possible value of theta?

4

Evaluate:

$cos^-^1\left(\frac{1}{2}\right)$

5

Find angle A of the following triangle:

Using_inverse_sin_to_find_angle_of_triangle

6

Find the value of $\cos^-^1\left(\frac{1}{2}\right)$ .

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