# Arc length of the parametric curve

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Find the exact length of the curve.

x = 7cos(t) - cos(7t)

y = 7sin(t) - sin(7t)

0<= t < = pi;

https://brainmass.com/math/calculus-and-analysis/arc-length-parametric-curve-172650

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5 exact lenght of parametric curve

Find the exact length of the curve.

x = 7cos(t) - cos(7t)

y = 7sin(t) - sin(7t)

0 â‰¤ t â‰¤ Ï€

Arc Length for Parametric Equations

Then

Then the arc length is

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