Trigonometric EquationHard
Question
If A = cos2θ + sin4θ, then for all value of θ-
Options
A.1 ≤ A ≤ 2
B.
≤ A ≤ 1
C.
≤ A ≤ 1
D.None of these
More Trigonometric Equation Questions
If sinθ + sin 2θ + sin 3θ = sin α and cosθ + cos2 θ + cos3θ = cosα, then θ ...If 0o < θ < 180o thenthere being n number of 2′s, is equal to-...If f(x) = cos-1 + xx then at x = 1, f ′(x) is equal to...dx is equal to...a square of side a lies above the x-axis and has one vertex at the origin. The side passing through the origin makes an ...