i was asked to evaluate:

using a substitution method involving hyperbolic or trig function.

ive seen some people use x = 2 sec(theta) .ive tried to integrate it but got stuck mid way.

pls help

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- Apr 13th 2008, 03:49 AMtasuketeintegration with substitution of trig/hyperbolic function
i was asked to evaluate:

using a substitution method involving hyperbolic or trig function.

ive seen some people use x = 2 sec(theta) .ive tried to integrate it but got stuck mid way.

pls help - Apr 13th 2008, 04:04 AMMoo
Hello,

So seems to be a pretty good idea, plus, its antiderivative is known (sinh(x)) - Apr 13th 2008, 07:28 AMmr fantastic
- Apr 13th 2008, 10:48 AMtasuketesomething went wrong
- Apr 13th 2008, 10:57 AMtasukete

something went wrong..:S - Apr 13th 2008, 11:13 AMMoo
The derivative for x is sinh(t), not -sinh(t) ;)

- Apr 13th 2008, 11:16 AMtasukete