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# Trigonometry

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Solving for a side with the law of sinesSolving for an angle with the law of sinesProof of the law of sines

Practice

Solve triangles using the law of sinesGet 3 of 4 questions to level up!

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Solving for a side with the law of cosinesSolving for an angle with the law of cosinesProof of the law of cosines

Practice

Solve triangles using the law of cosinesGet 3 of 4 questions to level up!

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Trig word problem: starsLaws of sines and cosines review

Practice

General triangle word problemsGet 3 of 4 questions to level up!

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Unit circleThe trig functions & right triangle trig ratiosTrig unit circle review

Practice

Unit circleGet 3 of 4 questions to level up!

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Intro to radiansRadians & degreesDegrees to radiansRadians to degreesRadian angles & quadrants

Practice

Radians & degreesGet 3 of 4 questions to level up!

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

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Proof of the Pythagorean trig identityUsing the Pythagorean trig identityPythagorean identity review

Practice

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

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Trig values of special angles

Practice

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

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Graph of y=sin(x)Intersection points of y=sin(x) and y=cos(x)Graph of y=tan(x)

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Features of sinusoidal functionsMidline, amplitude, and period review

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!

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Amplitude & period of sinusoidal functions from equationTransforming sinusoidal graphs: vertical stretch & horizontal reflectionTransforming sinusoidal graphs: vertical & horizontal stretches

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!

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Sinusoidal function from graph

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!

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Trig word problem: modeling daily temperatureTrig word problem: modeling annual temperatureTrig word problem: length of day (phase shift)

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!