Trigonometric Ratios

Front

What is the definition of 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

What is the sine ratio of an angle in a right triangle?

Back

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CCSS.HSG.SRT.C.6

Front

What is the cosine ratio of an angle in a right triangle?

Back

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CCSS.HSG.SRT.C.6

Front

What is the tangent ratio of an angle in a right triangle?

Back

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CCSS.HSG.SRT.C.6

Front

What does CAH stand for in trigonometry?

Back

CAH stands for Cosine = Adjacent over Hypotenuse.

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CCSS.HSG.SRT.C.8

Front

What does SOH stand for in trigonometry?

Back

SOH stands for Sine = Opposite over Hypotenuse.

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CCSS.HSG.SRT.C.8

Front

What does TOA stand for in trigonometry?

Back

TOA stands for Tangent = Opposite over Adjacent.

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CCSS.HSG.SRT.C.8

Front

In a right triangle, if the hypotenuse is 10 and the opposite side is 6, what is sinX?

Back

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CCSS.HSG.SRT.C.6

Front

In a right triangle, if the adjacent side is 8 and the hypotenuse is 10, what is cosX?

Back

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CCSS.HSG.SRT.C.6

Front

In a right triangle, if the opposite side is 5 and the adjacent side is 12, what is tanX?

Back

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CCSS.HSG.SRT.C.6