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Unit: Get ready for trigonometry

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Possible mastery points

Unit circle introduction

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

Radians

Learn
Intro to radians
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Radians & degrees
(Opens a modal)
Degrees to radians
(Opens a modal)
Radians to degrees
(Opens a modal)
Radian angles & quadrants
(Opens a modal)
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

Learn
Proof of the Pythagorean trig identity
(Opens a modal)
Using the Pythagorean trig identity
(Opens a modal)
Pythagorean identity review
(Opens a modal)
Practice
Use the Pythagorean identityGet 3 of 4 questions to level up!

Trigonometric values of special angles

Learn
Trig values of π/4
(Opens a modal)
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

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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Example: Graphing y=3⋅sin(½⋅x)-2
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Example: Graphing y=-cos(π⋅x)+1.5
(Opens a modal)
Sinusoidal function from graph
(Opens a modal)
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
(Opens a modal)
Trig word problem: modeling annual temperature
(Opens a modal)
Trig word problem: length of day (phase shift)
(Opens a modal)
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!

Quiz 2

Level up on the above skills and collect up to 500 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1000 Mastery points!