Let f = cos2 x and g = sin2 x. Which of the following lie in the space spanned by f and

Chapter 4, Problem 14

(choose chapter or problem)

Let f = cos2 x and g = sin2 x. Which of the following lie in the space spanned by f and g? (a) cos 2x (b) 3 + x2 (c) 1 (d) sin x (e) 0

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