Prove that 1+cot 2Q=cosec2Q
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1+cos2Q/sin2Q (cot2Q = cos2Q/sin2Q)
sin2Q + cos2Q / sin2Q (sin2Q + cos2Q=1)
1/sin2Q
cosec2Q (1/sin2Q = cosec2Q)
sin2Q + cos2Q / sin2Q (sin2Q + cos2Q=1)
1/sin2Q
cosec2Q (1/sin2Q = cosec2Q)
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