Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

The value of \(\rm \frac{tan(45°-\alpha)}{cot(45°+\alpha)}-\frac{(cos19°+sin71°)(sec19°+cosec71°)}{tan 12° tan 24° tan 66° tan 78°}\) is:

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2

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0

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-2

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