Step 1 :Given a right triangle with opposite side O = 8 and hypotenuse H = 16, we need to find the angle θ such that sin(θ) = O/H.
Step 2 :Using the sine function, we have sin(θ) = 8/16 = 0.5. By checking a table of trigonometric values, we find that θ = \(30^\circ\).
Step 3 :\(\boxed{30}\)