# Integrating problem ?

1. Jan 26, 2006

### ngkamsengpeter

Please help me to solve the following questions using $$\int [f(x)]^nf(x)=\frac{[f(x)]^{n+1}}{n+1}$$
$$\int tan {2x} dx$$

Last edited: Jan 26, 2006
2. Jan 26, 2006

### finchie_88

What is an integration problem doing in the pre-calculus forum?

Anyway, try writing it as sin over cos, and then use a substitution.

3. Jan 26, 2006

### HallsofIvy

Staff Emeritus
Are you really asked to use only the power law? Well, I guess you could use Taylor Series.