Construct an appropriate triangle to complete the table. (0 ≤ θ ≤ 90°, 0 ≤ θ ≤ π / 2)

(deg) 120°

(rad) 2pi / 3

Function Value ?

OK, I found the degrees which was 2pi / 3 radians (180/ pi radians) = 120°

but now how do I find the function value?