- #1
wahaj
- 156
- 2
I know the way to do [itex]\int sinxcos[/itex] is by u-substitution but why doesn't the following work?
[tex] sin(2x) = 2sinxcosx \\
\frac{sin(2x)}{2}=sinxcosx \\
\int sinxcosx= \frac{1}{2} \int sin(2x) = -\frac{cos(2x)}{4} [/tex]
[tex] sin(2x) = 2sinxcosx \\
\frac{sin(2x)}{2}=sinxcosx \\
\int sinxcosx= \frac{1}{2} \int sin(2x) = -\frac{cos(2x)}{4} [/tex]