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Unit: Get ready for trigonometry

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Unit circle introduction

Learn
Unit circle
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The trig functions & right triangle trig ratios
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Trig unit circle review
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Practice
Unit circleGet 3 of 4 questions to level up!

Radians

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Intro to radians
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Radians & degrees
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Degrees to radians
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Radians to degrees
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Radian angles & quadrants
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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

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Proof of the Pythagorean trig identity
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Using the Pythagorean trig identity
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Pythagorean identity review
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Practice
Use the Pythagorean identityGet 3 of 4 questions to level up!

Trigonometric values of special angles

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

Graphing sinusoidal functions

Learn
Graph of y=sin(x)
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Intersection points of y=sin(x) and y=cos(x)
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Sinusoidal function from graph
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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

Learn
Trig word problem: modeling daily temperature
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Trig word problem: modeling annual temperature
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Trig word problem: length of day (phase shift)
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Practice
Modeling with sinusoidal functionsGet 3 of 4 questions to level up!
Modeling with sinusoidal functions: phase shiftGet 3 of 4 questions to level up!
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Unit test

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