Решить универсальным методом тригонометрической подстановки:

[tex]\int\limits^ {} \, \frac{dx}{2sinx-3cosx}[/tex]



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[tex]t=tg\frac{x}{2} \\sinx=\frac{2t}{1+t^{2} } \\cosx=\frac{1-t^{2} }{1+t^{2} } \\\\dx=\frac{2dt}{1+t^{2} }[/tex]

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