Unit Circle & Trig (BASIC)

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, used to define trigonometric functions.

Tags

CCSS.HSF.TF.A.2

Front

What are the coordinates of the point on the unit circle at an angle of 0 degrees?

Back

(1, 0)

Tags

CCSS.HSF.TF.A.2

Front

What is the sine function in terms of the unit circle?

Back

The sine of an angle is 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 function in terms of the unit circle?

Back

The cosine of an angle is 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 function in terms of sine and cosine?

Back

Tags

CCSS.HSF.TF.A.2

Front

Back

1

Tags

CCSS.HSF.TF.A.2

Front

Back

Tags

CCSS.HSF.TF.A.2

Front

Back

Tags

CCSS.HSF.TF.A.4

Front

What is the ratio for sine?

Back

Tags

CCSS.HSG.SRT.C.6

Front

What is the ratio for cosine?

Back

Tags

CCSS.HSG.SRT.C.6