Trigonometry - ACT Math

What is the formula for the period of $y = \sin(Bx)$ or $y = \cos(Bx)$?

In a right triangle, the side opposite angle $\theta$ is $3$ and the hypotenuse is $5$. Find $\sin\theta$.

What is the phase shift of $y = \sin\left(x - \dfrac{\pi}{4}\right)$?

In a $45°$-$45°$-$90°$ triangle with legs of length $1$, what is $\sin 45°$?

What is the relationship between $\cot\theta$ in terms of sine and cosine?

If $\tan\theta = 2$, what is $\cot\theta$?

What is $\sin 0°$?

What is the law of cosines?

What does SOH-CAH-TOA stand for?

If $\cos\theta = \dfrac{5}{13}$, find $\sin\theta$ (assume $\theta$ is acute).

Convert $\dfrac{\pi}{4}$ radians to degrees.

In a right triangle with hypotenuse $8$ and one angle $60°$, find the side adjacent to the $60°$ angle.

Find the amplitude of $y = 3\sin x$.

In which quadrants is cosine positive?

What is $\tan\theta$ in a right triangle?

What are the exact values of $\sin 60°$, $\cos 60°$, and $\tan 60°$?

Find the period of $y = \sin(2x)$.

How do you convert degrees to radians?

In a right triangle, the side adjacent to angle $\theta$ is $4$ and the hypotenuse is $5$. Find $\cos\theta$.