Question:

What is the length of the curve for x=0 to x=11/8 pi? ?

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Consider the parametric equation:

x=8(cosx+xsinx)

y=8(sinx-xcosx)

What is the length of the curve for x=0 to x=11/8 pi?

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  1. use int over [0,11π/8] of { √ ( x '(t) ² + y ' (t)² ) dt....close to 75

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