Find the Length of the Curve $x = \sin ^ { 3 } t , y = \cos ^ { 3 } t , 0 \leq t \leq 2 \pi$

Multiple Choice

Find the length of the curve $x = \sin ^ { 3 } t , y = \cos ^ { 3 } t , 0 \leq t \leq 2 \pi$ .

A) 0
B) $\frac { 3 } { 2 }$
C) 2
D) $\pi$
E) 12
F) 6
G) 4

H) 2 $\pi$