2.y=x^n y'=nx^(n- 1)
3.y=a^x y'=a^xlna
y=e^x y'=e^x
4.y=logax y'=logae/x
y=lnx y'= 1/x
5.y=sinx y'=cosx
6.y=cosx y'=-sinx
7.y = Tanks Y' =1/cos 2x
8.y=cotx y'=- 1/sin^2x
9 . y = arcsinx y'= 1/√ 1-x^2
10 . y = arc cosx y'=- 1/√ 1-x^2
1 1 . y = arctanx y'= 1/ 1+x^2
12 . y = arccotx y'=- 1/ 1+x^2