TrigonometryHard ShareTrigonometry · Hard problemEvaluate sin5π6cos4π3+sin4π3cos5π6\sin\dfrac{5\pi}{6}\cos\dfrac{4\pi}{3}+\sin\dfrac{4\pi}{3}\cos\dfrac{5\pi}{6}sin65πcos34π+sin34πcos65π and identify the single special angle it represents.Asinπ7\sin\dfrac{\pi}{7}sin7πBsinπ12\sin\dfrac{\pi}{12}sin12πCsinπ6\sin\dfrac{\pi}{6}sin6πDsin6π\sin\dfrac{6}{\pi}sinπ6Check Show answer Walk through it step by step Practice more like this