Find the missing side. Round to the nearest tenth. 3) 13 72° хtrigonometry

asked Mar 12, 2023 160k views

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2 votes

By definition,

cos(angle) = adjacent/hypotenuse

From the picture,

cos(72°) = x/13

cos(72°)*13 = x

4 = x

Covik answered Mar 18, 2023

by Covik

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