Question

Who knows how to do this question?

Answer 1

Finding the value of x and y.

x:

sin 30 = 1/x
x = 1/sin 30
x = 2

y:

cos 30 = y/2
2(cos 30) = y
1.73 = y

Now the table:

sin 30 = 1/2
cos 30 = 1.73/2
tan 30 = 1/1.73

sin 60 = 1.73/2
cos 60 = 1/2
tan 60 = 1.73/1

Hope this helps :)