How to calculate the measure of length using cos

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562

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Cos 56 =AB over72 what is AB length equal to.

Guest Nov 27, 2016

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1⁺⁰ Answers

+37084

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Well, cos(56) = .55919 so

.55919 = ab/72

or

72(.55919) = ab = 40.262

ElectricPavlov Nov 27, 2016

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