Question

\[Evaluate \int\limits x ^{2}\csc(cosx ^{3})sinx ^{3}dx\]

Answer 1

use this

\[\large \frac{d}{dx} \cos x^3=-3x^2 \sin x^3\]

Answer 2

so u can start by letting
\[\large u= \cos x^3\]

Answer 3

:) because of integral I forgot how to derive. hehe. lol. :D

Answer 4

:D

Answer 5

anyway thanks.:)