You are not logged in.
Re: Derivative of arcsec(1/t)
From the above link:
The chain rule says:
Now just substitute u = 1 / t and clean up.
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.