Sir / Mam
Please suggest me another way to evaluate the Integral dx/(cos(x-a)cos(x-b)) other than the one suggested in the NCERT answers because I feel that it is quiet complicated. So please give any other alternative method and the logic behind multiplying and deviding the integrand in the question with sin(a-b). I mean that I want the explaination to understand the idea with what to multiply and devide the Integrand in such problems. I am totally struck up with this. Please Help me......
Asked by damarlasumanjali | 27th Jun, 2015, 10:21: AM
You please specify the page number in NCERT book.
Answered by Vimala Ramamurthy | 29th Jun, 2015, 10:53: AM
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