Unit Circle Practice 1 (9/25/24)

Front

What are the coordinates of 180° on the unit circle?

Back

(-1, 0)

Tags

CCSS.HSF.TF.A.2

Front

At θ = 30°, what is the equivalent angle measure in radians?

Back

π/6

Tags

CCSS.HSF.TF.A.1

Front

What are the exact coordinates of 3π/4 on the unit circle?

Back

(−√2/2, √2/2)

Tags

CCSS.HSF.TF.A.2

Front

Given the point P=(-3/4, √7/4) on the unit circle, find the angle θ (0≤θ<360) to the nearest tenth of a degree.

Back

139 degrees

Tags

CCSS.HSF.TF.B.7

Front

What is the value of cosine at 135°?

Back

-√2/2

Tags

CCSS.HSF.TF.A.2

Front

Define the unit circle.

Back

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

Tags

CCSS.HSF.TF.A.2

Front

What is the relationship between degrees and radians?

Back

Degrees can be converted to radians using the formula: radians = degrees × (π/180).

Tags

CCSS.HSF.TF.A.1

Front

What are the coordinates of 90° on the unit circle?

Back

(0, 1)

Tags

CCSS.HSF.TF.A.2

Front

What is the sine of 45°?

Back

√2/2

Tags

CCSS.HSF.TF.A.2

Front

What is the cosine of 0°?

Back

1

Tags

CCSS.HSF.TF.A.2