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Category: Integration

tan-x-dx-tan-x-cot-x-2-dx-tan-x-cot-x-2-dx-1-2-sin-x-cos-x-sin-2x-dx-1-2-sin-x-cos-x-sin-2x-dx-1-2-sin-x-c

Question Number 94718 by john santu last updated on 20/May/20 tanxdx=tanx+cotx2dx+tanxcotx2dx=12sinx+cosxsin2xdx+12sinxcosxsin2xdx=12sinx+cosx1(sinxcosx)2dx+12sinxcosx(sinx+cosx)21dx$$=\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}\:}\int\:\frac{\mathrm{dt}}{\:\sqrt{\mathrm{1}−\mathrm{t}^{\mathrm{2}} }}\:+\frac{\mathrm{1}}{\:\sqrt{\mathrm{2}}\:}\int\:\frac{−\mathrm{du}}{\:\sqrt{\mathrm{u}^{\mathrm{2}} −\mathrm{1}}}…

tan-x-cot-x-dx-

Question Number 94662 by i jagooll last updated on 20/May/20 tanx+cotxdx=? Commented by i jagooll last updated on 20/May/20 $$\int\:\frac{\mathrm{sec}\:^{\mathrm{2}} \mathrm{x}\:\mathrm{dx}}{\:\sqrt{\mathrm{1}+\mathrm{tan}\:^{\mathrm{2}} \mathrm{x}}\:.\sqrt{\mathrm{tan}\:\mathrm{x}}}\:=\: \