Set up, but do not evaluate, an integral for the length of the curve x = 3 sin(y), 0 ≤ y ≤ 2⁄2 0 dy.
a) ∫[0, 2π] √(1 + (3 cos(y))²) dy
b) ∫[0, 2π] √(1 + (3 sin(y))²) dy
c) ∫[0, 2⁄2] √(1 + (3 cos(y))²) dy
d) ∫[0, 2⁄2] √(1 + (3 sin(y))²) dy