SubArea: Sine, cosine, tangent and cotangentLevel: AProject ID: 9000032113Accepted: 1Clonable: 0Easy: 1Evaluate \(\sin \left ( \frac{\pi }{6}\right )\).\(\frac{1} {2}\)\(\frac{\sqrt{2}} {2} \)\(-\frac{1} {2}\)\(\frac{\sqrt{3}} {2} \)\(\sqrt{3}\)\(0\)