Subtema: Seno, coseno, tangente, cotangenteParte: AProject ID: 9000032106Accepted: 1Clonable: 0Easy: 1\(\cos \left (0\right ) = ?\)\(1\)\(\frac{\sqrt{3}} {3} \)\(\sqrt{3}\)\(- 1\)\(-\frac{\sqrt{3}} {3} \)\(0\)