Solve for x: 
Given: 
Formula Used: 
Taking tan on both the sides, we get,
5x = 1 – 6x2
6x2 + 5x – 1 = 0
6x2 + 6x – x – 1 = 0
6x(x + 1) – 1(x + 1) = 0
(6x – 1)(x + 1) = 0
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