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Juan Set 2 Paper 1 · Q19

Paper 1Trigonometry

Which of the following is the simplified form of the expression

cos⁡(2x+y)+sin⁡(2x−y)cos⁡(2x)+sin⁡(2x)\frac{\cos(2x+y)+\sin(2x-y)}{\cos(2x)+\sin(2x)}
Acos⁡y−sin⁡y\cos y-\sin y
Bcos⁡y+sin⁡y\cos y+\sin y
Ccos⁡x−sin⁡y\cos x-\sin y
Dsin⁡x−cos⁡y\sin x-\cos y
Esin⁡x−cos⁡x\sin x-\cos x

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