Вычисли и запиши ответы

1. \(\sin(-\dfrac{\pi}{4})+\cos(-\dfrac{\pi}{4})-\ctg(-\dfrac{\pi}{6})=\) [ ].
2. \(\cos(-\dfrac{\pi}{2})+\tg^{2}(-\dfrac{\pi}{3})+\cos(-\dfrac{\pi}{3})-\ctg(-\dfrac{\pi}{4})=\) [ ].