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Can someone show me how to find the integral of:
sin(sqrt(x)) dx.
Thanks!

2007-07-25 12:21:37 · 3 answers · asked by Anonymous in Science & Mathematics Mathematics

3 answers

Set t:=sqrt(x), so dt=dx/(2*sqrt(x)). Your integral reads:

\int 2t*sin(t) dt

then by parts:

\int 2t*sin(t) = -2t*cos(t) + 2*sin(t)

and getting back to x you have:

\int sin(sqrt(x))dx = -2sqrt(x)*cos(sqrt(x)) + 2*sin(sqrt(x))

Bye!

2007-07-25 12:52:13 · answer #1 · answered by Anonymous · 0 0

integral of:
sin(sqrt(x)) dx.

integrate function of a function

http://www.hostsrv.com/webmaa/app1/MSP/webm1001/Integrate
use this site, it won't let me give you the answer sorry

2007-07-25 19:41:13 · answer #2 · answered by davidrufus1701 3 · 0 0

= -cos(sqrt(x)) * (-1/(2*sqrt(x))

2007-07-25 19:33:58 · answer #3 · answered by ironduke8159 7 · 0 0

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