Question

help galera........​

Answer 1

sen 30 = $\frac{1}{2}$

cos 60 = $\frac{1}{2}$

tg 45 = 1

sen 60 = $\frac{\sqrt{3} }{2}$

cos 45 = $\frac{\sqrt{2} }{2}$

tg 30 = $\frac{\sqrt{3} }{3}$

sen 180 = 0

cos 360 = 1

cos 0 = 1