Solve for Angles Using Trig

Solve for the missing angle

• 32°
• 44°
• 61°
• 50°

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CCSS.HSG.SRT.C.8

To solve for the missing angle, what trig equation do we set up?

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CCSS.HSG.SRT.C.8

You are standing at A, looking up at the airplane. It is 400 m horizontally in front of you and 300 m high.  What is the angle of elevation to the airplane as shown in the diagram? 

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CCSS.HSG.SRT.C.8

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

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CCSS.HSG.SRT.C.8

Which expression is correct for "y"?

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)

Tags

CCSS.HSG.SRT.C.7

How would you find the value of the angle denoted by "?"

• Apply the inverse sine

• Apply the inverse cosine

• Apply the inverse tangent

• Apply the Pythagorean Theorem

Tags

CCSS.HSG.SRT.C.8

What is the most efficient way to find "x"?

• Inverse sine

• Inverse cosine

• Inverse tangent

• Pythagorean Theorem

Tags

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

Tags

CCSS.HSG.SRT.C.8

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

• 33°
• 49°
• 39°
• 41°

Tags

CCSS.HSG.SRT.C.8

Find the size of the angle labelled x (to 1dp)

• 60.0°

• 30.0°

• 26.6°

• 63.4°

Tags

CCSS.HSG.SRT.C.8