C-09-Q169mediumsingle_mcqsin60∘⋅cos30∘+cos60∘⋅sin30∘=?\sin 60^\circ \cdot \cos 30^\circ + \cos 60^\circ \cdot \sin 30^\circ = ?sin60∘⋅cos30∘+cos60∘⋅sin30∘=?a000b111c12\dfrac{1}{2}2