Unit Circle Trigonometry

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. It is used to define trigonometric functions.

Tags

CCSS.HSF.TF.A.2

Front

What is the relationship between the angles in standard position and the unit circle?

Back

An angle in standard position has its vertex at the origin and its initial side along the positive x-axis. The terminal side of the angle intersects the unit circle.

Front

Back

Tags

CCSS.HSF.TF.C.9

Front

Back

Tags

CCSS.HSF.TF.A.2

Front

Back

Tags

CCSS.HSF.TF.A.2

Front

Back

Tags

CCSS.HSF.TF.C.9

Front

Back

Tags

CCSS.HSF.TF.C.9

Front

What is the Pythagorean identity?

Back

Tags

CCSS.HSF.TF.C.8

Front

Back

Tags

CCSS.HSF.TF.C.9

Front

What is the definition of the sine function in the context of the unit circle?

Back

The sine function is defined as the y-coordinate of the point on the unit circle corresponding to a given angle.

Tags

CCSS.HSF.TF.A.2