Unit Circle Practice

Front

What is the value of cos 225°?

Back

-\sqrt{2}/2

Tags

CCSS.HSF.TF.A.2

Front

Identify the positive angle in both radians and degrees that represents point I.

Back

180°, π

Front

What is the value of cot(π/4)?

Back

1

Tags

CCSS.HSF.TF.A.2

Front

Using the Unit Circle, find \sec \frac{3\pi}{2}.

Back

undefined

Tags

CCSS.HSF.TF.A.2

Front

What is the value of cos(π)?

Back

-1

Tags

CCSS.HSF.TF.A.2

Front

What is the definition of the Unit Circle?

Back

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

Tags

CCSS.HSF.TF.A.2

Front

What are the coordinates of the point at 90° on the Unit Circle?

Back

(0, 1)

Tags

CCSS.HSF.TF.A.2

Front

What are the coordinates of the point at 270° on the Unit Circle?

Back

(0, -1)

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(π)?

Back

0

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan(π/3)?

Back

\sqrt{3}

Tags

CCSS.HSF.TF.A.2