let f=cos^2x and g=sin^2x which of the following lie in the space spanned by f and g

a) cos2x

b) 3+x^2

c) 1

d) sinx

e) 0 ... ?

Question

2 May, 20:25

+4

Answers (1)

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Audrey Padilla · Answer 1

I'm pretty sure that these are lying in the space spanned by f and g: a) cos2x, e) 0. Use common formulas to check it.

let f=cos^2x and g=sin^2x which of the following lie in the space spanned by f and ga) cos2xb) 3+x^2c) 1d) sinxe) 0 ... ?