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Evaluate-the-integral-sin-dx-




Question Number 141452 by Snail last updated on 19/May/21
Evaluate the integral   ∫sin(dx)
$${Evaluate}\:{the}\:{integral}\:\:\:\int{sin}\left({dx}\right) \\ $$
Commented by Dwaipayan Shikari last updated on 19/May/21
lim_(x→0) sin(x)=x   so  sin(dx)∼dx  ∫dx=x+C  ???
$$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}{sin}\left({x}\right)={x}\:\:\:{so}\:\:{sin}\left({dx}\right)\sim{dx} \\ $$$$\int{dx}={x}+{C}\:\:??? \\ $$
Answered by mathmax by abdo last updated on 19/May/21
un dt cross is better....
$$\mathrm{un}\:\mathrm{dt}\:\mathrm{cross}\:\mathrm{is}\:\mathrm{better}…. \\ $$

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