Answer:
Solution given;
we have
Cos 30=adjacent/hypotenuse
Cos 30=12/x
x=12/cos30
x=8√3
and
Sin 30=opposite/hypotenuse
Sin30=y/x
y=sin30*x
y=sin30*8√3
y=4√3
Option D.
x=8√3 and y=4√3 is a required answer.