Sine Cosine and Tangent Ratios to Determine the Side Length

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

_{^{Find the missing side}}

• 48

• 108

• 83.6

• 72

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CCSS.8.G.B.7

Consider angle B in the diagram below. What is the length of "adjacent side" to angle <B?

• 6

• 8

• 10

• not possible to determine

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CCSS.HSG.SRT.C.6

• 1.664

• 0.857

• 58.935

• 0.515

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CCSS.HSG.SRT.C.6

Consider angle B in the diagram below. What is the length of "opposite side" to angle B?

• 6

• 8

• 10

• not possible to determine

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CCSS.HSG.SRT.C.6

When solving trigonometry questions it is important to:

• Label the triangle correctly

• Ensure you are using the correct trigonometric ratio

• Check your answer and put in the correct units

• All of the above

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CCSS.HSG.SRT.C.8

Solve for the missing distance.

• 18.9

• 19.5

• 47.3

• 27.5

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CCSS.HSG.SRT.C.8

Determine the length of side q.


(a)  

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CCSS.HSG.SRT.C.8

• 6.99
• 6.33
• 13.59
• 7.83

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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