0. Functions

Convert the angle $540°$ from degrees to radians.

Convert the angle $-\frac{5\pi}{6}$ from radians to degrees.

Given the right triangle below, evaluate $\cos\theta$.

Given the right triangle below, evaluate $\tan\theta$.

Solve the following equations.

$\sin3x=\frac{\sqrt{2}}{2},0\leq{x}\lt{2\pi}$

Solve the following equations.

$\cos3x=\sin3x,0\leq{x}\lt2\pi$

Solve the following equations.

$\tan^22\theta=1,0\lt{\theta}\lt{\pi}$

Solve the following equations.

{Use of Tech} $\sin2\theta=\frac15,0\lt{\theta}\lt{\frac{\pi}{2}}$