4.1 Intro to Unit Circle Angles

Front

True or False: Every angle has an infinite amount of coterminal angles.

Back

True

Front

To find coterminal angles you can repetitively add or subtract ______ degrees.

Back

360

Front

What is the reference angle for 125°?

Back

55°

Front

What quadrant is 375 degrees in?

Back

Quadrant I

Front

Two angles that have the same initial and terminal sides are called ________.

Back

coterminal angles

Front

What is a coterminal angle?

Back

Angles that share the same terminal side when drawn in standard position.

Front

How do you find a coterminal angle?

Back

Add or subtract multiples of 360°.

Front

What is the reference angle for 210°?

Back

30°

Front

In which quadrant is an angle of 150° located?

Back

Quadrant II

Front

What is the standard position of an angle?

Back

An angle whose vertex is at the origin and its initial side lies along the positive x-axis.