Solve Triangles Using Trigonometry

Set up an equation that could be used to solve for the variable.

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CCSS.HSG.SRT.C.8

Set up an equation that could be used to solve for the variable.

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CCSS.HSF.TF.A.2

All of the following could be used to find angle B, EXCEPT which one?

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CCSS.HSG.SRT.C.6

Set up an equation that could be used to solve for the variable.

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CCSS.HSG.SRT.C.6

Set up the problem so you can solve for h. Think about which trig ratio you need.

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CCSS.HSG.SRT.C.6

Set up the problem so that you can solve for X. Think about which trig ratio you need to use.

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

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CCSS.HSG.SRT.C.6

Solve for x. Round to the nearest tenth.

• 46.1

• 4.9

• 73.5

• 68.6

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the measure of the indicated angle using inverse trigonometry.

• 9.39

• 55.2

• 20.2

• 19.4

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CCSS.HSG.SRT.C.8

Find x.

• 10

• √3

• 5

• 10√3

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CCSS.HSG.SRT.C.8

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

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CCSS.HSG.SRT.C.7