I'm stumped by this problem:(adsbygoogle = window.adsbygoogle || []).push({});

let W be the subspace of C[0,1] spanned by S={sin^2(x),cos^2(x),cos2x}

a) explain why S is not a basis for W

it's because S not linearly independent

b) find a basis for W

please help me with this one...

TIA.

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# Subspace base math question

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