Prove that: cot2x + tanx = cosec2x Share with your friends Share 4 Shipra D. answered this Consider, cot2x+tanx=cos2xsin2x+tanx=1-2sin2x2sinxcosx+tanx=12sinxcosx-2sin2x2sinxcosx+tanx=cosec2x-sinxcosx+tanx=cosec2x-tanx+tanx=cosec2x 15 View Full Answer