Question
(A)Write down the general solution.
(B) What will be the solutions if 0 ≤ ? < 2?

570 3 371 570 2 2 3 3 5. 2cos-x = COS X Answer: (A) x = + Tek; x = + 2nk, x = + 2 tk, k EZ;(B) x = 6. 3 tan(2x) - V3 = 0 An
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