unit circle

Front

sinθ is positive in which quadrants?

Back

The 1st and 2nd quadrants.

Front

What are the coordinates of 60° on the unit circle?

Back

(1/2, √3/2)

Front

What is sin 45°?

Back

√2/2

Front

What is cos (π/4)?

Back

√2/2

Front

What is the value of sin 30°?

Back

1/2

Front

What is the value of cos 60°?

Back

1/2

Front

What are the coordinates of 90° on the unit circle?

Back

(0, 1)

Front

What is the value of tan 45°?

Back

1

Front

In which quadrants is cosθ positive?

Back

The 1st and 4th quadrants.

Front

What is the value of sin 0°?

Back

0