What are the values of 30, 45, 60 and 90?

What are the values of 30, 45, 60 and 90?

30 45 60 90
sina 1/2 √2/2 √3/2 1
cosa √3/2 √2/2 1/2 0
Tana √ 3 / 3 1 √ 3 no solution