Solving Trigonometric Equations

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What is the Pythagorean identity in trigonometry?

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CCSS.HSF.TF.C.8

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CCSS.HSF.TF.B.7

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Factor the equation to find the roots. Use the quadratic formula if necessary. The solutions are the values of x that satisfy the equation.

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CCSS.HSF.TF.B.7

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What is the range of the sine function?

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The range of the sine function is from -1 to 1, inclusive.

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CCSS.HSF.TF.A.4

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What is the range of the cosine function?

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The range of the cosine function is from -1 to 1, inclusive.

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CCSS.HSF-IF.C.7E

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What is the double angle formula for sine?

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CCSS.HSF.TF.C.9

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What is the double angle formula for cosine?

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CCSS.HSF.TF.C.9

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What is the cotangent function in terms of sine and cosine?

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CCSS.HSF.TF.A.2

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What is the relationship between sine and cosine?

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CCSS.HSF.TF.C.8

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CCSS.HSF.TF.B.7