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lim-x-pi-3-2cos-5x-tan-2-x-2sin-2-2x-4sin-2x-cos-x-tan-x-




Question Number 189842 by cortano12 last updated on 22/Mar/23
  lim_(x→(π/3))  ((2cos 5x tan^2 x−2sin^2 2x)/(4sin 2x cos x−tan x))=?
$$\:\:\underset{{x}\rightarrow\frac{\pi}{\mathrm{3}}} {\mathrm{lim}}\:\frac{\mathrm{2cos}\:\mathrm{5x}\:\mathrm{tan}\:^{\mathrm{2}} \mathrm{x}−\mathrm{2sin}\:^{\mathrm{2}} \mathrm{2x}}{\mathrm{4sin}\:\mathrm{2x}\:\mathrm{cos}\:\mathrm{x}−\mathrm{tan}\:\mathrm{x}}=? \\ $$

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