Question

Пожалуйста помогите

Sin 3П/4
Tg 5П/6

Answer 1

$1)Sin\frac{3\pi }{4}=Sin(\pi-\frac{\pi }{4})=Sin\frac{\pi }{4}=\boxed{\frac{\sqrt{2}}{2}}\\\\2)tg\frac{5\pi }{6}=tg(\pi-\frac{\pi }{6})=-tg\frac{\pi }{6}=\boxed{-\frac{\sqrt{3}}{3}}$