Test the sets of functions for linear in­dependence in F For those that are linearly dependent, express one of the functions as a linear combination of the others.    {l, sin2x, cos2x}

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Q: y' = =+ y x

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.