What is the integral of cos t/t where limits are 1 to x ?
My book says that it is sinx/x - sin1 + integral (from 1 to x) sin t/ t2 dt for all x>=1.
I can't figure out how .
Please help.
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What is the integral of cos t/t where limits are 1 to x ?
My book says that it is sinx/x - sin1 + integral (from 1 to x) sin t/ t2 dt for all x>=1.
I can't figure out how .
Please help.
Quote:
Originally Posted by mrmaaza123
Use integration by parts.
and
This gives
Oh, yes. Thank you, i don't really know how i overlooked that !