Unit Circle Practice

Front

What is the value of tan(45°)?

Back

1

Front

What is the value of cos(\frac{\pi}{4})?

Back

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

Front

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

Back

\frac{\sqrt{3}}{2}

Front

In the unit circle, what does sin represent?

Back

y

Front

What is the value of tan(0)?

Back

0

Front

What is the relationship between sine and cosine in the unit circle?

Back

sin(θ) = y-coordinate, cos(θ) = x-coordinate.

Front

What is the value of sin(90°)?

Back

1

Front

What is the value of cos(0°)?

Back

1

Front

What is the value of tan(30°)?

Back

\frac{1}{\sqrt{3}} or \frac{\sqrt{3}}{3}

Front

What is the value of sin(30°)?

Back

\frac{1}{2}