Teaching TGTET Paper 1 & 2 Mock Test Series 2024-25 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

What is the value of \(\frac{[(\sin x+\sin y)(\sin y-\sin x)]}{[(\cos x+\cos y)(\cos y-\cos x)]}\) ?

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-1
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0
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2
4
1
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