Finding the Sin of an Angle and Finding the Angle from the Sin

Use the above right triangle, with side lengths a, b, and c. The sinx = ______.

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CCSS.HSG.SRT.C.6

Find sinA

• 32/40

• 32/24

• 24/40

• 24/32

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CCSS.HSG.SRT.C.6

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CCSS.HSG.SRT.C.6

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CCSS.HSG.SRT.C.6

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.8

Find the measure of the indicated angle.

• 9.39

• 55.2

• 20.2

• 19.4

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CCSS.HSG.SRT.C.8

Sam views a deer from a height of 45 feet. The horizontal distance between the tourist and the deer is 130 feet. At what angle (x) should the tourist hold his camera to photograph the deer? Round your answer to the nearest degree.

• 19^o

• 45^o

• 71^o

• 138^o

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CCSS.HSG.SRT.C.8

What equation would you use to solve for the measure of the indicated angle.

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CCSS.HSG.SRT.C.8

Find the measure of the angle.  Round to the nearest tenth. 

• 30.8

• 32.1

• 34.3

• 36.9

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CCSS.HSG.SRT.C.8