Question
Asked Sep 5, 2019
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Find the values of θ in degrees (0° < θ < 90°) and radians (0 < θ < π/2) without using a calculator.

cos (theta) =1/2

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We know that of cos of 60 degrees is 1...

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1 cos 2 0 cos - 60° 2 180 rad 60 rad 180 60° 3 0 60 -rad 3

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Trigonometric Ratios

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