Unit Circle Trig 3

Front

What is the value of cos(30°)?

Back

√3/2

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan(3π/4)?

Back

-1

Tags

CCSS.HSF.TF.A.2

Front

What is the value of cos(π/4)?

Back

√2/2

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(π/2)?

Back

1

Tags

CCSS.HSF.TF.A.2

Front

What angle corresponds with the ordered pair (0, -1) on the unit circle?

Back

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 sine of an angle in the unit circle?

Back

The y-coordinate of the point on the unit circle corresponding to that angle.

Tags

CCSS.HSF.TF.A.2

Front

What is the cosine of an angle in the unit circle?

Back

The x-coordinate of the point on the unit circle corresponding to that angle.

Tags

CCSS.HSF.TF.A.2

Front

What is the tangent of an angle in the unit circle?

Back

The ratio of the sine to the cosine of that angle, or sin(θ)/cos(θ).

Tags

CCSS.HSF.TF.A.2

Front

What are the coordinates of the point on the unit circle at 0 radians?

Back

(1, 0)

Tags

CCSS.HSF.TF.A.2