Solving for Missing Angles with Trigonometry

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

• 40.4
• 43.4
• 48.2
• 41.3

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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

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4
• 55.2
• 20.15
• 19.4

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CCSS.HSG.SRT.C.8

Sin =

• opposite / adjacent

• opposite / hypotenuse

• adjacent / opposite

• adjacent / hypotenuse

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CCSS.HSG.SRT.C.6

Cos =

• opposite / adjacent

• opposite / hypotenuse

• adjacent / opposite

• adjacent / hypotenuse

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CCSS.HSG.SRT.C.6

Tan =

• opposite / adjacent

• opposite / hypotenuse

• adjacent / opposite

• adjacent / hypotenuse

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CCSS.HSG.SRT.C.6

When you use trig and solve for angle you use the _______ function

• opposite

• reverse

• different

• inverse

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CCSS.HSG.SRT.C.8

sin 0^O =

• 1

• 0

• 0.5

• √3

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CCSS.HSG.SRT.C.6

cos 0^o =

• 1

• 0

• 0.5

• √3

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CCSS.HSG.SRT.C.7

sin 90^O =

• 1

• 0

• 0.5

• √3

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CCSS.HSG.SRT.C.7