Right Triangle Trig Ratios

Find the value of the trig function indicated.

• 2

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CCSS.HSG.SRT.C.6

Find the value of the trig function indicated.

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CCSS.HSG.SRT.C.6

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

• .4706

• .875

• .8824

• .5333

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CCSS.HSG.SRT.C.6

Find the ratio for cos A. (Simplify the fraction)

• 4/3

• 4/5

• 3/4

• 3/5

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CCSS.HSG.SRT.C.6

What is Sin C? Write your answer as a fraction.

Mathematical Equivalence

ON

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CCSS.HSG.SRT.C.6

 Find sinC

• 21/35

• 28/21

• 35/28

• 28/35

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CCSS.HSG.SRT.C.6

Set up the problem.

• sin(47) = x/28

• cos(47) = x/28

• tan(47) = x/28

• cos(47) = 28/x

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CCSS.HSG.SRT.C.6

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

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CCSS.HSG.SRT.C.8

Find the length of side y.

• 22.32 cm

• 36.5 cm

• 76.34 cm

• 87.76 cm

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CCSS.HSG.SRT.C.8

What is the acronym to help you remember the ratios to use in trigonometry?

• RIGHTANG

• SOHCAHTOA

• SHOCHATOA

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CCSS.HSG.SRT.C.7