Posted by **Yousef** on Saturday, October 22, 2011 at 7:31am.

Find the first derivative for the following functions

1) f(x) = sin(cos^2x) cos(sin^3x)

2) f(x) = ( tan 2x - tan x ) / ( 1 + tan x tan 2x )

3) f(x) = sin { tan ( sqrt x^3 + 6 ) }

4) f(x) = {sec^2(100x) - tan^2(100x)} / x

- Maths Calculus Derivatives -
**Steve**, Saturday, October 22, 2011 at 11:49am
Just gonna dump some problems on us?

The solution to your previous posting should help some.

Hints:

1) use product rule, chain rule

2) use quotient rule, chain rule

3) use chain rule, chain rule, chain rule

4) use quotient rule, chain rule

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