Question Number 185511 by mathlove last updated on 23/Jan/23
Answered by Frix last updated on 23/Jan/23
$$\frac{\mathrm{1}}{\mathrm{2}−\sqrt{\mathrm{3}}}=\mathrm{2}+\sqrt{\mathrm{3}}={t} \\ $$$${t}^{−\mathrm{cos}\:{x}} ={t}^{\mathrm{sin}\:{x}} \\ $$$$−\mathrm{cos}\:{x}\:=\mathrm{sin}\:{x} \\ $$$$\frac{\mathrm{cos}\:{x}}{\mathrm{sin}\:{x}}=−\mathrm{1} \\ $$