# Calculus Homework #6 due 3-30

Find the derivative of each of the following functions.

1. $f(x)=\sin{x}\cdot{x^3}+e^x$

2. $f(x)=4e^{x}\tan{x}$

3. $f(x)=\sec{x}-\frac{1}{x^2}$

4. $f(x)=\sqrt{x^2-2x+1}+x^2$