derive the identity
(sech^2 x)/(1+tanh^2 x) = sech2x
sech x = (2e^x)/(e^2x +1)
help me out.i cant solve these.it is under principle of integral evaluation.thanks
derivative problem Watch
- Thread Starter
- 12-07-2009 16:30
Last edited by Unbounded; 12-07-2009 at 16:47.
- 12-07-2009 16:43
- 12-07-2009 16:44
- 12-07-2009 16:52
Also would you say it is harder than Step I or even Step II? How similar would it be to them?