Write the value of sin^2 θ cos^2θ (1+tan^2θ) (1+cot^2θ)
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sin^2. cos^2. sec^2.cosec^2
=sin^2. cos^2. 1/cos^2.1/sin^2
=1..
=sin^2. cos^2. 1/cos^2.1/sin^2
=1..
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