Intro Unit Circle

What are the coordinates of π on the unit circle?

• 0, 1

• 1, 0

• -1, 0

• 0, -1

Tags

CCSS.HSF.TF.A.2

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

• π/2

• π/3

• π/4

• π/6

Tags

CCSS.HSF.TF.A.1

What radian measure corresponds to the point 

• π/4

• 3π/2

• 5π/4

• 7π/3

Tags

CCSS.HSF.TF.A.2

What is 120 degrees in radians?
 

• 2π/3

• π/3

• 5π/3

• 4π/3

Tags

CCSS.HSF.TF.A.1

What are the coordinates that go where the red line is?

Tags

CCSS.HSF.TF.A.2

What are the coordinates that go above the red line?

Tags

CCSS.HSF.TF.A.2

What are the 3 basic trig functions?

• Sine, cosine, and cotangent

• Sine, cotangent, and cosecant

• Sine, cosine, and tangent

• Cosecant, cosine, and cotangent

Tags

CCSS.HSG.SRT.C.6

How many degrees is ^π/₆ radians?

• 90°

• 60°

• 45°

• 30°

Tags

CCSS.HSF.TF.A.1

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

• (−√2∕2, √2∕2)

• (−√2∕2, −√2∕2)

• (−√3∕2, −√2∕2)

• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2

• 1/2

• √3/2

• 0

Tags

CCSS.HSF.TF.A.2