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# Calculus of Parametric Equations

Parametric equations can be quite handy, and we don't want to unravel them just to do Calculus. Some tricks can bend traditional derivative and integral methods to apply to parametric equations.

\[\large x = a(t - \sin t) \\ \large y = a(1 - \cos t)\]

What is the area of the region bounded by the two arcs of the cycloid in the above figure?

What is the length of the arc of the curve \(x^{\frac{2}{3}} + y^{\frac{2}{3}}=4\)?

The area enclosed by the 2 *cute adorable little fine* loops is equals to \( \frac {a}{b} \) for coprime positive integers \(a\) and \(b\). What is the value of \(a+b\)?

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