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.
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FP2 differentiating hyperbolic functions watch
- Thread Starter
- 29-01-2010 10:01
- 29-01-2010 10:26
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 13:33