Igarvin471 Igarvin471

30-05-2018
Mathematics

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How to calculate a missing side in a right triangle with a angle and a side length?

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Mathunga Mathunga

02-06-2018

Use the Trigonometric ratios. In the picture below, there are three different equations to help solve it.

1. sinθ = y/r (opposite/hypotenuse) = 1/cscθ
2. cosθ = x/r (adjacent/hypotenuse) = 1/secant θ
3. tanθ = y/x (opposite/adjacent) = 1/cotθ

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