wat will be d integration oftan(x-k).tan(x+k).tan2xdx.......???
vats mittal , 14 Years ago
Grade 12
Integral Calculus> plz integrate...
1 Answers
Rahul askIITiansExpert.IITR
Last Activity: 14 Years ago
very simple question
see:
tan(2x)=tan((x-k)+(x+k))=tan(x-k) + tan(x+k)/1 + tan(x-k)tan(x+k)
take the denominator to right side and you will get the expression in the question. Integrate it.
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