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Unit: Trigonometry

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Introduction to radians

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Practice

Radians & degreesGet 3 of 4 questions to level up!

The unit circle definition of sine, cosine, and tangent

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The graphs of sine, cosine, and tangent

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Basic trigonometric identities

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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!

The Pythagorean identity

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

Quiz 1

Level up on the above skills and collect up to 240 Mastery points

Introduction to amplitude, midline, and extrema of sinusoidal functions

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Features of sinusoidal functions
(Opens a modal)

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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!

Finding amplitude and midline of sinusoidal functions from their formulas

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Amplitude & period of sinusoidal functions from equation
(Opens a modal)

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

Period of sinusoidal functions

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Practice

Period of sinusoidal functions from graphGet 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!

Constructing sinusoidal functions

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Construct sinusoidal functionsGet 3 of 4 questions to level up!
Modeling with sinusoidal functionsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 240 Mastery points

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Unit test

Level up on all the skills in this unit and collect up to 1200 Mastery points!

About this unit

Learn about the definition of the basic trigonometric functions (sin(x), cos(x), and tan(x)), and use advanced trigonometric functions for various purposes.