Unit Circle Trig 3

Front

What is the value of sin(π/2)?

Back

1

Front

What is the value of cos(π/4)?

Back

Front

What is the value of tan(3π/4)?

Back

-1

Front

What is the value of cos(30°)?

Back

Front

What angle corresponds with the ordered pair (0, -1) on the unit circle?

Back

Front

What is the definition of the unit circle?

Back

A circle with a radius of 1 centered at the origin (0,0) in the coordinate plane.

Front

What is the relationship between sine and cosine on the unit circle?

Back

For any angle θ, sin(θ) is the y-coordinate and cos(θ) is the x-coordinate of the point on the unit circle.

Front

What is the value of sin(0)?

Back

0

Front

What is the value of cos(0)?

Back

1

Front

What is the value of tan(0)?

Back

0