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x-0-5-0-5-find-the-product-of-all-x-s-3-cos-2-pix-sinpiy-2-9-3-sinpix-sinpiy-sinpiy-




Question Number 184861 by Shrinava last updated on 12/Jan/23
x ∈ [−0,5  ;  0,5]  find the product of all  x′s  3(cos^2 πx + sinπy) + 2 = 9 + 3 ∣sinπx ∙ sinπy∣−sinπy
$$\mathrm{x}\:\in\:\left[−\mathrm{0},\mathrm{5}\:\:;\:\:\mathrm{0},\mathrm{5}\right] \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{product}\:\mathrm{of}\:\mathrm{all}\:\:\boldsymbol{\mathrm{x}}'\mathrm{s} \\ $$$$\mathrm{3}\left(\mathrm{cos}^{\mathrm{2}} \pi\mathrm{x}\:+\:\mathrm{sin}\pi\mathrm{y}\right)\:+\:\mathrm{2}\:=\:\mathrm{9}\:+\:\mathrm{3}\:\mid\mathrm{sin}\pi\mathrm{x}\:\centerdot\:\mathrm{sin}\pi\mathrm{y}\mid−\mathrm{sin}\pi\mathrm{y} \\ $$

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