Subtema: Seno, coseno, tangente, cotangenteParte: AProject ID: 9000032112Accepted: 1Clonable: 0Easy: 1\(\cos \left ( \frac{\pi }{3}\right ) = ?\)\(\frac{1} {2}\)\(\frac{\sqrt{3}} {2} \)\(-\frac{\sqrt{3}} {2} \)\(\sqrt{3}\)\(-\frac{\sqrt{2}} {2} \)\(\frac{\sqrt{2}} {2} \)
