Trigonometric Functions

Practice Questions

Common Core: High School - Functions › Trigonometric Functions

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1

If $\theta$ lives in quadrant IV and cosine is as follows,

$\cos(\theta)=\frac{12}{13}$

find

$\tan(\theta)$ ?

2

Calculate sine of the following angle.

$\theta=\frac{3\pi}{9}$

3

Calculate cosine of the following angle.

$\theta=\frac{6\pi}{8}$

4

Using the addition formula for cosine and special reference angles calculate,

$\cos(135^\circ)$ .

5

$\theta$ is the angle between the -axis and the line that connects the origin to the point .

Calculate $\tan(\theta)$ .

6

Find the exact value of the following statement.

$f(x)=\sin^{-1}(-1)$

7

Solve for $\theta$ .

$\tan(\theta)+1=-\sqrt{3}+1$

8

Find the following trigonometric exact value.

$\cos\left(\frac{5\pi}{6} \right )$

9

Calculate cosine of the following angle.

$\theta=\frac{6\pi}{8}$

10

Find the following trigonometric exact value.

$\cos\left(\frac{5\pi}{6} \right )$

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