How to find the sine of an angle

Practice Questions

ACT Math › How to find the sine of an angle

Questions

7

1

A sine function has a period of , a -intercept of , an amplitude of and no phase shift. These describe which of these equations?

2

If $\small a=3$ , $\small b=4$ , and $\small c=5$ , what is the sine of $\small \angle A$ ?

3

Triangle

See right triangle ABC. If the length AB is 8 and the length of BC is 6, what is the sine of angle A?

4

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What is the sine of $\angle ACB$ ?

5

Triangle

Triangle shown is a right triangle. If line and line , what is the sine of the angle at ?

6

Solve for $\sin^2{Q}+3\sin{Q}=-2$ over the interval $0\leq Q \leq 2\pi$

7

If $tan \theta = -5/12$ , and if $\theta$ is an angle between and degrees, which of the following equals $sin \theta$ ?

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