Solution
Expression : $$cosec2A + cot2A$$
= $$\frac{1}{sin2A}+\frac{cos2A}{sin2A}$$
= $$\frac{1+cos2A}{sin2A}$$
= $$\frac{1+(2cos^2A-1)}{2sinAcosA}$$
= $$\frac{2cos^2A}{2sinAcosA}$$
= $$\frac{cosA}{sinA}=cotA$$
=> Ans - (C)
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