# Posts by AdrianV

Total # Posts: 2

**Math-Derivitives**

if f(x)=x^3+5x, then f'(2)= if f(x)=cos(2x), then f'(pi/4) derivatives and anti derivatives please help

**CALCULUS!!! tangent lines**

Thanks,yeah now it seems easy, on the board my teacher had a board full of work only for an equation like this, so when I worked on it, i expected it to be more difficult and over analyzed everything. :) Thanks again.