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Math Help - help with intergration please

  1. #1
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    help with intergration please

    i m having problems integrating this:

    (integral) tanxcscx


    i m pretty sure u gotta multiply it by a one, like a secx/secx or something i cant figure out what to mulitply it by to integrate it.

    and also i m having problems with this


    2x^3-7x^2+7x / 2x-5

    u gotta divide these out, i m pretty sure i m getting wrong answer.. any helpp appreciated.!
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Legendsn3verdie View Post
    i m having problems integrating this:

    (integral) tanxcscx


    i m pretty sure u gotta multiply it by a one, like a secx/secx or something i cant figure out what to mulitply it by to integrate it.
    or note that \tan x \csc x = \frac {\sin x}{\cos x} \cdot \frac 1{\sin x} = \sec x

    and you know \int \sec x ~dx, right?

    and also i m having problems with this


    2x^3-7x^2+7x / 2x-5

    u gotta divide these out, i m pretty sure i m getting wrong answer.. any helpp appreciated.!
    start by dividing the polynomial using long division. see what you end up with
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