Solving for Missing Sides and Angles in Trigonometry

Name the angles from SMALLEST to LARGEST

• Q, R, P

• P, Q, R

• R, P, Q

• R, Q, P

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CCSS.HSG.CO.C.10

Use the Trig Toolkit to find the value of x in the given diagram. Click and drag your answer into the blank space below.

The value of x is (a)   .

• 21

• 33

• 12

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CCSS.HSG.SRT.C.8

Find x round to the nearest tenth.

Mathematical Equivalence

ON

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CCSS.HSG.SRT.C.8

If you are given the opposite side and hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

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CCSS.HSG.SRT.C.6

Solve the following triangle

• A

• B

• C

• D

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CCSS.HSG.SRT.C.8

What is the value of y?

Mathematical Equivalence

ON

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CCSS.HSG.SRT.C.8

What can you find with trig ratios?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

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CCSS.HSG.SRT.C.8

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine

• cosine

• tangent

• cotangent

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CCSS.HSG.SRT.C.6

Solve the right triangle.

• <B = 39^o, AB = 11.58, AC = 7.29

• <B = 39^o, AB = 7.29, AC = 11.58

• <B = 129^o, AB = 11.58, AC = 7.29

• <B = 129^o, AB = 7.29, AC = 11.58

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CCSS.HSG.SRT.C.8

What is the correct equation?

​ (a)   = ​ (b)   /​ ​ (c)  

• Sin(40)

• w

• 28

• Cos (40)

• tan 40

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CCSS.HSG.SRT.C.6