How do you change F(x) = -cosx + sqrt3sint to the form: Acos(x+w) with A and w both exact values?
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Hello JQ2009 Originally Posted by JQ2009 How do you change F(x) = -cosx + sqrt3sint to the form: Acos(x+w) with A and w both exact values? I assume you mean So, let . Then: Compare coefficients of and : Square and add: (taking - sign) Divide second equation by the first: Grandad
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