The lower right-hand corner of a long piece of paper 6 in wide is folded over to the left-hand edge as shown below. The length L of the fold depends on the angle 0. Show that 3 L = sin 0 cos? 0 6 in.

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The lower right-hand corner of a long piece of paper 6 in wide is folded over to the left-hand
edge as shown below. The length L of the fold depends on the angle 0. Show that
3
L =
sin 0 cos? 0
L
6 in.-
Transcribed Image Text:The lower right-hand corner of a long piece of paper 6 in wide is folded over to the left-hand edge as shown below. The length L of the fold depends on the angle 0. Show that 3 L = sin 0 cos? 0 L 6 in.-
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