Question

Integral coming up right away!

Answer 1

\[\int_0^{\pi/3}\dfrac{1}{1-\sin x} dx\]

Answer 2

Ok so I think it's got to do with that identity of int f(a - x) = int f(x)

Answer 3

So sin(pi/3 - x) = 2 sin(x)

Answer 4

substitute this and check for once.