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Grade 12th passIntegral Calculus

Integration of dx upon sec squared x ×tan squared x =

Profile image of Himani jain
9 Years agoGrade 12th pass
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1 Answer

Profile image of Arijit
9 Years ago
LET TAN X= Z
TAKE DIFF BOTH SIDE
SEC2 X dx= dz
put the value of sec2 x dx and tan 2 x as dz & z2
then ans is tan3 x/3 + const.