Unit Circle Trig

Front

What is the definition of the unit circle?

Back

The unit circle is 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 are the coordinates of the point on the unit circle at 0 degrees?

Back

(1, 0)

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(90 degrees)?

Back

1

Tags

CCSS.HSF.TF.A.2

Front

What is the value of cos(90 degrees)?

Back

0

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan(90 degrees)?

Back

Undefined

Tags

CCSS.HSF.TF.A.2

Front

What is the relationship between the angles in degrees and radians?

Back

180 degrees is equivalent to π radians.

Tags

CCSS.HSF.TF.A.1

Front

What is the value of cos(60 degrees)?

Back

1/2

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(30 degrees)?

Back

1/2

Tags

CCSS.HSF.TF.A.2

Front

What is the value of tan(45 degrees)?

Back

1

Tags

CCSS.HSF.TF.A.2

Front

What is the value of sin(180 degrees)?

Back

0

Tags

CCSS.HSF.TF.A.2