Question Number 109820 by moses ogwuch last updated on 25/Aug/20
$${tan}^{\mathrm{2}} {x}+{tan}^{\mathrm{2}} \mathrm{2}{x}+{tan}^{\mathrm{2}} \mathrm{4}{x}=\mathrm{33} \\ $$$${find}\:{x}\:\:\:\left({show}\:{full}\:{solution}\:{please}\right) \\ $$
Commented by Sarah85 last updated on 25/Aug/20
$$\mathrm{this}\:\mathrm{question}\:\mathrm{has}\:\mathrm{been}\:\mathrm{appearing}\:\mathrm{frequently} \\ $$$$\mathrm{a}\:\mathrm{good}\:\mathrm{answer}\:\mathrm{is}\:\mathrm{there}: \\ $$$$\mathrm{question}\:\mathrm{100806} \\ $$
Commented by moses ogwuch last updated on 26/Aug/20
$${thanks}\:{ma} \\ $$