Unit 5 - Intro to Trigonometry

Front

What is the ratio for Sine?

Back

Opp/Hyp

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CCSS.HSG.SRT.C.6

Front

Which trigonometric ratio should you use to find the opposite side?

Back

Sine Ratio

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CCSS.HSG.SRT.C.6

Front

What is the acronym used to remember the trigonometric ratios?

Back

SOH CAH TOA

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CCSS.HSG.SRT.C.8

Front

What does SOH stand for in trigonometry?

Back

Sine = Opposite / Hypotenuse

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CCSS.HSG.SRT.C.8

Front

What does CAH stand for in trigonometry?

Back

Cosine = Adjacent / Hypotenuse

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CCSS.HSG.SRT.C.6

Front

What does TOA stand for in trigonometry?

Back

Tangent = Opposite / Adjacent

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CCSS.HSG.SRT.C.8

Front

How do you find the missing angle using inverse trig ratios?

Back

Use the inverse functions: sin⁻¹, cos⁻¹, tan⁻¹.

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CCSS.HSG.SRT.C.8

Front

If the opposite side is 5 and the hypotenuse is 13, what is the sine of the angle?

Back

5/13 or approximately 0.3846

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CCSS.HSG.SRT.C.6

Front

If the adjacent side is 12 and the hypotenuse is 13, what is the cosine of the angle?

Back

12/13 or approximately 0.9231

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CCSS.HSG.SRT.C.6

Front

If the opposite side is 5 and the adjacent side is 12, what is the tangent of the angle?

Back

5/12 or approximately 0.4167

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CCSS.HSG.SRT.C.6