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Unit: Trigonometry

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Unit circle introduction

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Unit circleGet 3 of 4 questions to level up!

Radians

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

The Pythagorean identity

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

Trigonometric values of special angles

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Trig values of π/4
(Opens a modal)

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

Quiz 1

Level up on the above skills and collect up to 400 Mastery points

Graphs of sin(x), cos(x), and tan(x)

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Amplitude, midline and period

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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

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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 480 Mastery points

Graphing sinusoidal functions

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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

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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!

Quiz 3

Level up on the above skills and collect up to 480 Mastery points

Up next for you:

Unit test

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

About this unit

In Geometry, students learned about the trigonometric ratios sine, cosine, and tangent. In this unit, we extend these ideas into functions that are defined for all real numbers! We learn about the behavior of those functions and use them to model real-world situations.