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Mathematics, 25.10.2019 06:43 jessica94866

The lower right-hand corner of a long piece of paper 10 in. wide is folded over to the left-hand edge as shown. the length l of the fold depends on the angle ΞΈ. show that
l = 5/(sin(ΞΈ) cos2(ΞΈ))

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The lower right-hand corner of a long piece of paper 10 in. wide is folded over to the left-hand edg...
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