Show directly that the given functions are linearly

Last updated: 7/13/2022

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)=23, g(x)=5 sin^2x, h(x) = 6 cos²x Enter the non trivial linear combination (30)(23) +(6sin^2x) +(____+6 cos²x)=0