Identify Trig Ratios

Front

What is a trigonometric ratio?

Back

A trigonometric ratio is a ratio of the lengths of two sides of a right triangle. The primary trigonometric ratios are sine, cosine, and tangent.

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CCSS.HSG.SRT.C.6

Front

Define sine in terms of a right triangle.

Back

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CCSS.HSG.SRT.C.6

Front

Define cosine in terms of a right triangle.

Back

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CCSS.HSG.SRT.C.6

Front

Define tangent in terms of a right triangle.

Back

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CCSS.HSG.SRT.C.6

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If the opposite side is 30 and the hypotenuse is 50, what is the sine of the angle?

Back

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CCSS.HSG.SRT.C.6

Front

What is the relationship between sine and cosine?

Back

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CCSS.HSG.SRT.C.7

Front

How do you find the length of the opposite side using sine?

Back

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CCSS.HSG.SRT.C.8

Front

What is the formula for finding the adjacent side using cosine?

Back

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CCSS.HSG.SRT.C.8

Front

If you know the opposite side and adjacent side, which trig function do you use?

Back

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CCSS.HSG.SRT.C.6