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calculate-I-0-pi-4-sin-x-1-tan-2x-dx-




Question Number 178657 by mnjuly1970 last updated on 19/Oct/22
        calculate             I=∫_0 ^( (π/4)) ((  sin(x))/(1+ tan(2x))) dx = ?
$$ \\ $$$$\:\:\:\:\:\:{calculate} \\ $$$$ \\ $$$$\:\:\:\:\:\:\:\:\:\mathrm{I}=\int_{\mathrm{0}} ^{\:\frac{\pi}{\mathrm{4}}} \frac{\:\:\mathrm{sin}\left(\mathrm{x}\right)}{\mathrm{1}+\:\mathrm{tan}\left(\mathrm{2x}\right)}\:\mathrm{dx}\:=\:? \\ $$$$\: \\ $$

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