a sin (b(x-h)) = 2sin3x-5cos3x
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These formulas can help.
i looked at all of the formulas and the linear formula that would apply is for: a sin(x)+b cos(x) i need it for: a sin(x) - b cos(x)
What conditions on a and b do those formulas have? Do they requite that b be positive? Do you get my point?
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