Unit Circle Practice

Front

cos(0^o)=

Back

1

Front

sin(90^o)=

Back

1

Front

sin(5π/3) =

Back

-√3/2

Front

sin(7π/4)

Back

-√2/2

Front

sin(3π/2)

Back

-1

Front

Value of sine at 210°?

Back

-1/2

Front

Value of cosine at 135°?

Back

-√2 /2

Front

What is half a circle in radians?

Back

π

Front

cos 5π/6

Back

-√3/2

Front

Identify the Positive angle in both radians and degrees that represent point H.

Back