1. 2. please help me..
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1. Substitute 2x=u, and use identity 2. . Reason: Let , Also, when and Integral becomes
Last edited by sbhatnagar; Nov 7th 2011 at 08:48 AM.
Originally Posted by sbhatnagar 2. . Reason: Let , Also, when and Integral becomes You need to finish the substitution to get x out of your integral. If u = ln(tan(x)), then Also,
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