Friday

September 19, 2014

September 19, 2014

Posted by **AdrianV** on Tuesday, March 23, 2010 at 10:18pm.

if f(x)=cos(2x), then f'(pi/4)

derivatives and anti derivatives

please help

- Math-Derivitives -
**bobpursley**, Tuesday, March 23, 2010 at 10:21pmf(x)=x^3+5x

f'=2x^2+5

put in x=2

d (cos2x)/dx=-2sin2x

You need to examine why these are causing you difficulty,they are very elementary questions.

**Answer this Question**

**Related Questions**

math - I studied derivatives before, but kind of forgot them all, is there a ...

Calculus - Anti-Derivatives - How would you find the Integral of (cos(x\8))^3, ...

convert derivatives of x,y,z, to r, Ɵ,z - convert derivatives of x,y,z, to ...

Calculus - Find the outside and inside functions of the following to find their ...

Anti-Derivatives - find the antiderivative of f(x) = x^3(x-2)^2 Someone help me ...

Calculus: Derivatives - I'm having trouble understanding what derivatives in ...

Derivatives - Find the derivatives of: 1. H(x)= sin2xcos2x The answer given is ...

calculus - derivatives - can you please find the first 5 derivatives for: f(x...

calculus - find the second-order partial derivatives of f(x,y)=x^3 + x^2y^2 + y^...

Math, derivatives - Let g(x) = sin (cos x^3) Find g ' (x): The choices are a) -...