Question Number 201426 by mathlove last updated on 06/Dec/23
$${cosx}−\sqrt{\mathrm{3}}{sinx}=\mathrm{1} \\ $$$${x}=? \\ $$
Answered by cortano12 last updated on 06/Dec/23
$$\:\:\mathrm{2}\left(\frac{\mathrm{1}}{\mathrm{2}}\:\mathrm{cos}\:\mathrm{x}−\frac{\sqrt{\mathrm{3}}}{\mathrm{2}}\:\mathrm{sin}\:\mathrm{x}\right)=\:\mathrm{1} \\ $$$$\:\:\:\:\mathrm{cos}\:\left(\mathrm{x}+\mathrm{60}°\right)\:=\:\frac{\mathrm{1}}{\mathrm{2}}=\:\mathrm{cos}\:\mathrm{60}°\: \\ $$