There are integers a, b, c, and d such that \(\tan (7.5^\circ) = \sqrt{a} + \sqrt{b} - \sqrt{c} - \sqrt{d}\). Answer with (a+b), (c+d) in that order.
This problem has already been answered: https://web2.0calc.com/questions/1-there-are-four-positive-integers-a-b-c-and-d-such
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