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Solution
Expression : $$sec^2A + cosec^2A$$ = X
= $$\frac{1}{cos^2A}+\frac{1}{sin^2A}$$
= $$\frac{sin^2A+cos^2A}{sin^2Acos^2A} = \frac{1}{sin^2Acos^2A}$$
= $$sec^2Acosec^2A$$
=> Ans - (D)
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