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integral  ∫  { cosx/ [ sinx +cosx]  } dx


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∫  { cosx/ [ sinx +cosx]  } dx
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first express the numerator in terms of the denominator and its derivative
split into two integrals ;one  of them is of the form u' / u which will integrate to ln(u)
answer and  some steps are given below
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integration of cosx / (sinx +cosx)
other problems on integration
integration formulae






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