06-22-2022, 07:35 PM
Hi
I have noticed that when I am trying to find first derivative of tan(x) (CAS mode), the result is tan(x)^2+1 instead of 1/cos(x)^2 or sec(x)^2.
Do you have any idea why HP prime is giving such result?
I have noticed that when I am trying to find first derivative of tan(x) (CAS mode), the result is tan(x)^2+1 instead of 1/cos(x)^2 or sec(x)^2.
Do you have any idea why HP prime is giving such result?