Could any one tell me what is cot^-1 (infinity) and tan ^-1( infinity) Share with your friends Share 2 Ashwini Kumar answered this We know thatcot0=∞∴cot-1∞=0Andtanπ2=∞∴tan-1∞=π2 8 View Full Answer Johnson answered this Plzzz experts tell fast?!!' -6 Navya answered this 0 and pi/2 8