ISRO 2010-ECE Calculus

Question

What does the following integral evaluate to?

a) 5 π /16

b) 5 π /8

c) 0

d) 5 π /32

Answer 1

I think option c (0) will be the answer

Answer 2

After integrating and putting all value remaining term is $\frac{5π}{32}$

So answer is d.