Podoblast: Sinus, kosinus, tangens a kotangensČást: AProject ID: 9000032007Accepted: 1Clonable: 0Easy: 1\(\mathop{\mathrm{cotg}}\nolimits \left (\frac{5\pi } {2}\right ) =?\)\(0\)\(\sqrt{3}\)\(1\)není definován\(-\frac{\sqrt{2}} {2} \)\(\frac{\sqrt{2}} {2} \)
