2 sin 45°+ cos 30° – 2 Tan 45°

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2 sin 45°+ cos 30° – 2 Tan 45°

2 sin : {45}^{o} + cos : {30}^{o} - 2 tan {45}^{o} \ = 2 times frac{1}{2} sqrt{2} + frac{1}{2} sqrt{3} - 2 times 1 \ = sqrt{2} + frac{ sqrt{3} }{2} - 2