Grade 12th passIntegral CalculusIntegration of dx upon sec squared x ×tan squared x = Himani jain 9 Years agoGrade 12th pass
Arijit9 Years agoLET TAN X= ZTAKE DIFF BOTH SIDESEC2 X dx= dzput the value of sec2 x dx and tan 2 x as dz & z2then ans is tan3 x/3 + const.