Unit 3 Review Trig Unit Circle

Front

What is the value of tan(7π/4)?

Back

-1

Front

What is the value of sine at 210°?

Back

-1/2

Front

Convert 300° to a radian measure.

Back

Front

Back

Front

What is the value of cot(π/2)?

Back

0

Front

Define the unit circle in trigonometry.

Back

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

Front

What is the sine of 0 radians?

Back

0

Front

What is the cosine of π radians?

Back

-1

Front

What is the tangent of π/4 radians?

Back

1

Front

What is the relationship between sine and cosine for complementary angles?

Back

sin(θ) = cos(90° - θ) or sin(θ) = cos(π/2 - θ) in radians.