C-10-Q043mediumsingle_mcqsin60∘=?\sin 60^\circ = ?sin60∘=?a12\dfrac{1}{2}21b32\dfrac{\sqrt{3}}{2}23c12\dfrac{1}{\sqrt{2}}21d111ব্যাখ্যাsin60∘=32\sin 60^\circ = \dfrac{\sqrt{3}}{2}sin60∘=23 is a standard angle value, the ratio of the opposite side to the hypotenuse in a 30∘30^\circ30∘–60∘60^\circ60∘–90∘90^\circ90∘ triangle.