Trigonometric EquationHard
Question
Find the general solution of x, cos2 2x + cos2 3x = 1
Options
A.(2k + 1)
, k ∈ I
, k ∈ I B.(πk + 1), k ∈ I
, k ∈ I C.(2k − 1), k ∈ I
, k ∈ I D.Both (A) and (C)
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