Question on integration

1. Jan 23, 2005

Sanosuke Sagara

I want to ask how to differentiate { sin 3xcos4x dx

Assume { as the integration simbol .Do I need to use the trigonometri function ?

2. Jan 23, 2005

dextercioby

Lemme get it straight
U want to differentiate wrt "x" the following
$$\int \sin 3x \cos 4x \ dx$$

What the connection between differentiation and integration...??

Daniel.

3. Jan 23, 2005

HallsofIvy

"Fundamental Theorem of Calculus"!

(Why is this in the differential equations section?)

4. Jul 20, 2009

aun raza

multiply and divide by 2