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int(1+sinx)/(1-sinx)dx |
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Answer» SOLUTION :`I=INT(1+sinx)/(1-sinx)DX` =`int(1+sinx)^2/cos^2xdx` =`int(sec^2x+tan^2x+2secxtanx)dx` =`int(2sec^2x-1+2secxtanx)dx` =2tanx-x+2secx+c |
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