Lesson 17 Solving Trigonometric Equations

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What is a trigonometric equation?

Back

A trigonometric equation is an equation that involves trigonometric functions of a variable, typically an angle, such as sine, cosine, or tangent.

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CCSS.HSF.TF.B.7

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Back

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CCSS.HSF.TF.B.7

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CCSS.HSF.TF.B.7

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What is the range of the sine function?

Back

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 unit circle?

Back

The unit circle is a circle with a radius of 1 centered at the origin of a coordinate plane, used to define trigonometric functions.

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CCSS.HSF.TF.A.2

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CCSS.HSF.TF.A.2

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What is the Pythagorean identity?

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CCSS.HSF.TF.C.8

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CCSS.HSF.TF.B.7

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What is the period of the sine function?

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CCSS.HSF.TF.A.4

Front

What is the difference between the sine and cosine functions?

Back

Sine and cosine are both periodic functions, but sine represents the y-coordinate of a point on the unit circle, while cosine represents the x-coordinate.

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CCSS.HSF.TF.A.2