Вычислите:

СРОЧНО!!!!!!!​

[tex]2\sin(-\frac{\pi}{3})\cdot ctg(-\frac{\pi}{2})+\cos(-\frac{\pi}{6})\cdot tg(\frac{\pi}{3})+tg(-\frac{\pi}{4})=2\cdot(-\frac{\sqrt{3}}{2})\cdot0+\frac{\sqrt{3}}{2}\cdot\sqrt{3}-1=0+\frac{3}{2}-1=\frac{1}{2}=0,5[/tex]