Trigonometric EquationHard
Question
If A = cos2θ + sin4θ, then for all value of θ-
Options
A.1 ≤ A ≤ 2
B.
≤ A ≤ 1
≤ A ≤ 1C.
≤ A ≤ 1
≤ A ≤ 1D.None of these
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