Hi, just started FP2 and have a question but havent got a clue how to do it.
Show that d sin^-1(tanhx) =sechx
Could anyone give me a hand how to start it please?
Thank you for any help in advance.
FP2 differentiating hyperbolic functions Watch
- Thread Starter
- 29-01-2010 11:01
- 29-01-2010 11:26
Differentiating hyperbolic functions is identical to differentiating normal trig functions, except that you need to bear Osborne's rule in mind.
With your example, slightly more complex - try writing the expression as
and implicitly differentiate.
- 29-01-2010 14:33