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H-tan-x-tan-2x-tan-3x-dx-




Question Number 129228 by bramlexs22 last updated on 14/Jan/21
 H = ∫ tan x tan 2x tan 3x dx ?
$$\:\mathrm{H}\:=\:\int\:\mathrm{tan}\:\mathrm{x}\:\mathrm{tan}\:\mathrm{2x}\:\mathrm{tan}\:\mathrm{3x}\:\mathrm{dx}\:? \\ $$
Commented by som(math1967) last updated on 14/Jan/21
Q 105440
$${Q}\:\mathrm{105440} \\ $$

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