Quiz Review - Self Check

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CCSS.HSG.SRT.C.7

Which answer is equal to cos 50˚?

• sin 50˚

• tan 50˚

• sin 40˚

• cos 40˚

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CCSS.HSG.SRT.C.7

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CCSS.HSG.SRT.C.7

Which of the following statements is TRUE or FALSE?

Groups:

(a) True

,

(b) False

• The cosine of an acute angle is always less than one.

• The sine of an acute angle is always less than one.

• The tangent of an acute angle is always less than or equal to one.

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CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

In ∆ABC, m<B = 48˚ and AB = 32 feet.  Which equation can be used to find the value of x?

• x = 32(sin 48˚)

• x = 25(cos 48˚)

• x = 32(tan 48˚)     

• x = 48(sin 32˚)

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CCSS.HSG.SRT.C.8

The angle from the Justin Tucker’s foot on the football field to the top of the goal post is 17°. If he is standing 131 feet away from the base of the goal post. Which equation would represent how to find the height of the goal post?

• sin 17˚ = x/131

• cos 17˚ =  131/x    

• tan 17˚ =  131/x

• tan 17˚ =  x/131

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CCSS.HSG.SRT.C.8

Jada is standing 10 feet away from the base of a tree and spots a nest resting on a branch. The angle of elevation from the ground where she is standing to the nest is 55°. Find the height of the nest.

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CCSS.HSG.SRT.C.8

A fire hydrant sits 72 ft from the base of a building. If the angle of elevation from the ground to the top of the building is 60° how tall would the building be?

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CCSS.HSG.SRT.C.8

The figure shows ABC. Find all the values that are equal to cos C?

Groups:

(a) Equal to Cos C

,

(b) Not Equal to Cos C

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CCSS.HSG.SRT.C.7