If anyone could lend some help on these that would be great!
Find the derivative:
1. f(x)=sinx-2tanx
2. y=tan(sinx^2)
3. f(x)= tan^-1 sq.root(1-x)
4. y=(secx+tanx)
5. Let f(x) = 7sin(x+pi)+cos2x
a. compute f'(x), f''(x), f'''(x), f''''(x)
b. compute f*13th derivative*(0)