The Equation of a Curve in Parametric Form Is $x = 4 \cos 3 t , y = 4 \sin 3 t$

Short Answer

The equation of a curve in parametric form is $x = 4 \cos 3 t , y = 4 \sin 3 t$ Find the arc length of the curve from $t = 0 \text { to } t = \frac { \pi } { 8 }$ .