Subtema: Seno, coseno, tangente, cotangenteParte: AProject ID: 9000032005Accepted: 1Clonable: 0Easy: 1\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{2}\right ) = ?\)\(0\)\(-\sqrt{3}\)\(-\frac{\sqrt{2}} {2} \)\(\sqrt{3}\)\(\frac{\sqrt{2}} {2} \)\(1\)
