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Fine the missing value to the nearest hundredth cos=7/14

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We are asked to solve a trigonometric function which is
cos θ = 7/14
To solve for θ, we get the inverse cosine of both sides resulting to
θ = cos⁻¹ (7/14)
θ = cos⁻¹ (0.5)
by special triangles or using the calculator, the value of the angle is
θ = 60°or in radians 1.54 radians
User Axel Isouard
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