Unit Circle Practice

Front

What is the value of sine at 210°?

Back

-\frac{1}{2}

Front

Based on your unit circle, what is cos(0°)?

Back

1

Front

Identify the positive angle in both radians and degrees that represent point L.

Back

240°, \frac{4\pi}{3}

Front

Identify the positive angle in both radians and degrees that represent point I.

Back

180°, \pi

Front

Based on your unit circle, what is sin(90°)?

Back

1

Front

What is the value of cosine at 270°?

Back

0

Front

What is the value of sine at 30°?

Back

\frac{1}{2}

Front

What is the value of cosine at 60°?

Back

\frac{1}{2}

Front

What is the value of sine at 45°?

Back

\frac{\sqrt{2}}{2}

Front

What is the value of cosine at 45°?

Back

\frac{\sqrt{2}}{2}