Question

integral (6(sinx)(cos^2(x)) dx

Answer 1

tailor made for u - sub. put u = cos(x), du = -sin(x)dx and get
\[-6\int u^2 du\]

Answer 2

anti derivative is \[-\frac{6}{3}u^3=-2cos^3(x)\]

Answer 3

+C if you need it

Answer 4

thanks!