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Find the measure of the angle theta

Find the measure of the angle theta-example-1
User Swati
by
8.3k points

1 Answer

5 votes

Answer:

A. 57.8°

Explanation:

Reference angle = θ

Length of hypotenuse = 15

Length of adjacent side = 8

Recall, SOHCAHTOA.

Thus, apply CAH to find θ.

Cos θ = Adj/Hyp

Cos θ = 8/15

θ = Cos^{-1}(8/15)

θ = 57.7690474° = 57.8°

User Andrew Swann
by
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