## Re: need a help again,

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• ... ????????????????????????????????????????? u mean there isnt any diferent between the first derivative & the nth derivative of (sinx)^a?!?! that one that u
Message 1 of 5 , Apr 13, 2002
--- In mathforfun@y..., slim_the_dude <no_reply@y...> wrote:
> > is there any formula for nth derivative of (sinx)^a?(with proof)
>
> I assume you mean with respect to x, with a held constant.
>
> Using the power rule, d/dx (sinx)^a =
>
> [a * (sinx)^(a-1)]*d/dx sinx =
> a*cosx*(sinx)^(a-1)

?????????????????????????????????????????
u mean there isnt any diferent between the first derivative & the nth
derivative of (sinx)^a?!?!
that one that u said is just for the first derivative,
• Message 2 of 5 , Apr 15, 2002
<< u mean there isnt any diferent between the first derivative & the
nth
derivative of (sinx)^a?!?!
that one that u said is just for the first derivative, >>

Oops... I totally missed the part where you're asking for the nth
derivative. Let me modify