Thread: Existence of Derivative

Hello i have the following exercise:



and



for which does the first derivative exists ?

Originally Posted by coobe

Hello i have the following exercise:



and



for which does the first derivative exists ?

for y(t)

dy/dt = e^tan(t) sec^2(t)

is defined except for odd multiples of pi/2 --> (2n-1)pi/2 for all integers n. as tan(t) and sec(t) are not defined at these points