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The number of solutions of the equation cos (2x +) tan 3r = 0 is m and the sum of solutions is n in

The number of solutions of the equation cos (2x +) tan 3r = 0 is m and the sum of solutions is n in z E (0, 27] then the value of equal to (I is GIF) Backspace 7 8 9 45 6 1 2 3

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