Intro to Unit Circle

Front

Convert 150° to radians

Back

5π/6

Front

What is the radius of a unit circle?

Back

1

Front

sin π/4

Back

√2∕2

Front

Choose the best match for the graph of 30°

Back

30°

Front

Which quadrant is 150° in?

Back

II

Front

What is the definition of a unit circle?

Back

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

Front

What is the cosine of 0°?

Back

1

Front

What is the sine of 90°?

Back

1

Front

What is the tangent of 45°?

Back

1

Front

How do you convert degrees to radians?

Back

Multiply by π/180.