Trigonometric Ratios (SOHCAHTOA)

Front

What does SOH stand for in trigonometry?

Back

SOH stands for Sine = Opposite / Hypotenuse.

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CCSS.HSG.SRT.C.8

Front

What does CAH stand for in trigonometry?

Back

CAH stands for Cosine = Adjacent / Hypotenuse.

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CCSS.HSG.SRT.C.8

Front

What does TOA stand for in trigonometry?

Back

TOA stands for Tangent = Opposite / Adjacent.

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CCSS.HSG.SRT.C.8

Front

What is the sine ratio?

Back

Sine = Opposite / Hypotenuse.

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CCSS.HSG.SRT.C.6

Front

What is the cosine ratio?

Back

Cosine = Adjacent / Hypotenuse.

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CCSS.HSG.SRT.C.6

Front

What is the tangent ratio?

Back

Tangent = Opposite / Adjacent.

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CCSS.HSG.SRT.C.6

Front

If the opposite side is 3 and the hypotenuse is 5, what is the sine of the angle?

Back

Sine = 3/5 = 0.6.

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CCSS.HSG.SRT.C.6

Front

If the adjacent side is 4 and the hypotenuse is 5, what is the cosine of the angle?

Back

Cosine = 4/5 = 0.8.

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CCSS.HSG.SRT.C.6

Front

If the opposite side is 3 and the adjacent side is 4, what is the tangent of the angle?

Back

Tangent = 3/4 = 0.75.

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CCSS.HSG.SRT.C.6

Front

How can you remember the trigonometric ratios?

Back

Use the mnemonic SOHCAHTOA.

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CCSS.HSG.SRT.C.6