Question

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Find x. Round to the nearest tenth.
27
26.2

Answer 1

14.0°

Explanation:

Reference angle = x

Hypotenuse = 27

Adjacent = 26.2

Apply trigonometric function, CAH:

Cos x = Adj/Hyp

Cos x = 26.2/27

Cos x = 0.97037037

x = Cos^{-1}(0.97037037)

x = 13.9823107°

x = 14.0° (nearest tenth)