Unit Circle Practice

Front

What is the value of sin(\frac{\pi}{2})?

Back

1

Front

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

Back

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

Front

What is the value of cos(\pi)?

Back

-1

Front

What is the value of sin(90^{o})?

Back

1

Front

In which quadrants is cosine positive?

Back

the 1st and 4th quadrants

Front

What is the value of sin(0)?

Back

0

Front

What is the value of cos(0)?

Back

1

Front

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

Back

\frac{1}{2}

Front

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

Back

\frac{1}{2}

Front

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

Back

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