Unit Circle Quadrant 1

Front

What is the value of tan(π/3)?

Back

√3

Front

What is the value of tan(π/2)?

Back

undefined

Front

In which direction are positive angles measured from standard position on the unit circle?

Back

Counterclockwise

Front

What is the value of cos(30°)?

Back

Front

What does the y-coordinate on the unit circle represent?

Back

Front

What is the value of sin(π/6)?

Back

Front

What is the value of cos(0°)?

Back

1

Front

What is the value of sin(90°)?

Back

1

Front

What is the relationship between the coordinates (x, y) on the unit circle and the angle θ?

Back

x = cos(θ), y = sin(θ)

Front

What is the value of tan(0°)?

Back

0