Unit Circle Values

Front

What is the value of sin(π/4)?

Back

√2/2

Front

What is the value of cos(3π/2)?

Back

0

Front

What is the value of cos(5π/6)?

Back

-√3/2

Front

What is the value of cos(2π)?

Back

1

Front

What is the value of sin(π/2)?

Back

1

Front

Define the unit circle.

Back

A circle with a radius of 1 centered at the origin of a coordinate plane, used to define trigonometric functions.

Front

What is the relationship between the coordinates on the unit circle and trigonometric functions?

Back

The x-coordinate represents cos(θ) and the y-coordinate represents sin(θ) for an angle θ.

Front

What is the value of sin(0)?

Back

0

Front

What is the value of cos(π)?

Back

-1

Front

What is the value of sin(π)?

Back

0