Unit Circle Trig

Front

What is the value of sin based on the unit circle?

Back

y

Front

What is the value of cos based on the unit circle?

Back

x

Front

What is the value of tan based on the unit circle?

Back

y/x

Front

What is the sine of 11π/6?

Back

-1/2

Front

What is the cosine of 5π/3?

Back

1/2

Front

What does the unit circle represent in trigonometry?

Back

A circle with a radius of 1 centered at the origin of a coordinate plane.

Front

What are the coordinates of the point at 0 radians on the unit circle?

Back

(1, 0)

Front

What are the coordinates of the point at π/2 radians on the unit circle?

Back

(0, 1)

Front

What are the coordinates of the point at π radians on the unit circle?

Back

(-1, 0)

Front

What are the coordinates of the point at 3π/2 radians on the unit circle?

Back

(0, -1)