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Evaluate: (sin^2 30° + 4 cot^2 45° - sec^2 60°) (cosec^2 45° sec^2 30°)

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Evaluate: 

(sin2 30° + 4 cot2 45° - sec2 60°) (cosec2 45° sec2 30°)

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On substituting the values of various T-ratios, we get:

(sin2 30° + 4 cot2 45° - sec2 60°) (cosec2 45° sec2 30°)

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