Unit 3 ­ Circles Precalculus.notebook December 05, 2018

x2 + 4x + 1

Completing the Square Review

x2 + 6x + 7 

x2 − 2x − 2 

2x2 − 8x + 5 

5x2 − 2x + 2 

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3Circles, Radians and the Unit Circle

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Radian ­ a unit of angle, equal to an angle at the center of a circle whose arc is equal in length to the radius.

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Find the coordinates of the points on the unit circle above, by finding the side lengths of the following right triangles.

These angles are often the reference angles used for evaluating exact values without a calculator.

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

Unit 3 ­ Circles Precalculus.notebook December 05, 2018

NOW WHAT???

Unit 3 ­ Circles Precalculus.notebook December 05, 2018