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Nice

Geometry Level 1

If \(0\le x_{i} \le 90\) where \(i\) is positive integer and \(\sin(x_{1})+\sin(x_{2}) + \sin(x_{3})=3\)

Find \[\cos(x_{1})+\cos(x_{2})+\cos(x_{3})\]

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by Lakshya Sinha

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