Trigonometric and Polar Functions

What angle is formed after 2.5 revolutions counterclockwise from 0 radians?

Which of the following is the radian equivalent of 60 degrees?

What is the value of tan($\frac{\pi}{3}$)?

Find the values of θ within the range of -$2\pi$ to $2\pi$ when cos(θ) = $\frac{\sqrt{2}}{2}$.

What are the coordinates of the center of the unit circle?

What is the value of sin($\frac{\pi}{6}$)?

In which quadrant does an angle of 210° lie?

An angle measures $\frac{7\pi}{4}$ radians. What is its coterminal angle in the range of 0 to $2\pi$?

A point P on the unit circle has coordinates (0, -1). What is the angle in radians?

In Quadrant II, which trigonometric function is positive?