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int(ln(tanx)/(sinxcosx)dxi se q u a lto ...

`int(ln(tanx)/(sinxcosx)dx`i se q u a lto (a)`1/2ln(tanx)+c` (b) `1/2ln(tan^2x)+c` (c)`1/2(ln(tanx))^2+c` (d) none of these

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