Use a suitable change of variables (u-substitution) to evaluate the integral int 7sin^2(x)cos(x) dx

Here, we make a pretty slick substitution to simplify this integral.
Use a suitable change of variables (u-substitution) to evaluate the integral int 7sin^2(x)cos(x) dx
Use a suitable change of variables (u-substitution) to evaluate the integral int 7sin^2(x)cos(x) dx
Use a suitable change of variables (u-substitution) to evaluate the integral int 7sin^2(x)cos(x) dx

substitution,u-sub,integrate,integral,calculus,