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Grade 12Integral Calculus

how will we integrate
(1/cosx).dx

Profile image of Gman Namg
11 Years agoGrade 12
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1 Answer

Profile image of grenade
ApprovedApproved Tutor Answer11 Years ago
you will have to expand it as if
cosx = 1-tan^2(x)/1+tan^2(x)
yet now you can make is telescopic series type function and integrate diffrently