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# Unit: Trigonometric functions

#### 0

Possible mastery points

## Unit circle introduction

Practice
Unit circleGet 3 of 4 questions to level up!

Practice
Radians & degreesGet 3 of 4 questions to level up!
Unit circle (with radians)Get 3 of 4 questions to level up!

## The Pythagorean identity

Practice
Use the Pythagorean identityGet 3 of 4 questions to level up!

## Trigonometric values of special angles

Practice
Trig values of special anglesGet 3 of 4 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 500 Mastery points

## Amplitude, midline, and period

Practice
Midline of sinusoidal functions from graphGet 3 of 4 questions to level up!
Amplitude of sinusoidal functions from graphGet 3 of 4 questions to level up!
Period of sinusoidal functions from graphGet 3 of 4 questions to level up!

## Transforming sinusoidal graphs

Practice
Amplitude of sinusoidal functions from equationGet 3 of 4 questions to level up!
Midline of sinusoidal functions from equationGet 3 of 4 questions to level up!
Period of sinusoidal functions from equationGet 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 600 Mastery points

## Graphing sinusoidal functions

Practice
Graph sinusoidal functionsGet 3 of 4 questions to level up!
Construct sinusoidal functionsGet 3 of 4 questions to level up!
Graph sinusoidal functions: phase shiftGet 3 of 4 questions to level up!

## Sinusoidal models

Practice
Interpreting trigonometric graphs in contextGet 3 of 4 questions to level up!
Modeling with sinusoidal functionsGet 3 of 4 questions to level up!
Modeling with sinusoidal functions: phase shiftGet 3 of 4 questions to level up!

## Long live Tau

#### Quiz 3

Level up on the above skills and collect up to 600 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1700 Mastery points!