Show directly that the given functions are linearly dependent on the real line. That is, find a nontrivial linear combination of the following functions that vanishes identically. f(x) = 31, g(x) = 3sinx, h(x) = 6cos?x Enter the non-trivial linear combin ation. (18)(31) + (O (3 sin²x) + (O (6 cos?x) =0

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