exp/log/trig inverse derivatives

y=a^u

y’=a^u ln(a)u'

y=e^u

y’=e^u (u')

y=ln(u)

y’=u’/u

y=log_au

y’=1/ln(a)(u’/u)

y=sin^-1(u)

y’= 1/root(1-u²) (u’)

y=cos^-1(u)

y’= -1/root(1-u²) (u’)

y=tan^-1(u)

y’= 1/(1+u²) (u’)