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CBSE Class 12-science Answered

Integration ex ( cos x + sin x /cos2 x)dx explain in great detail
Asked by haroonrashidgkp | 26 Oct, 2018, 09:39: AM
answered-by-expert Expert Answer
begin mathsize 16px style straight I equals integral straight e to the power of straight x open parentheses fraction numerator cosx plus sinx over denominator cos squared straight x end fraction close parentheses dx
straight I equals integral straight e to the power of straight x open parentheses 1 over cosx plus fraction numerator sinx over denominator cosx cross times cosx end fraction close parentheses dx
straight I equals integral straight e to the power of straight x open parentheses secx plus secxtanx close parentheses dx
Consider space straight f left parenthesis straight x right parenthesis equals secx space then space straight f apostrophe left parenthesis straight x right parenthesis equals secxtanx
straight I equals straight e to the power of straight x secx plus straight c end style
Answered by Sneha shidid | 28 Oct, 2018, 09:05: PM
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