Question

What's the integral of x((sin(x))^3)?

Answer 1

http://www.wolframalpha.com/input/?i=integrate+x%28%28sin%28x%29%29^3%29

Answer 2

sin^3
+x : 3sin^2 cos
-1 : 6sin cos^2 -3sin^3
+0


3x sin^2 cos -6sin cos^2 + 3sin^3 +C

Answer 3

ugh; i derived instead of integrated ..... oh well

Answer 4

id go with wolfram too :)