Mathematics, 08.11.2019 17:31 1tzM3
Express cos^2 x in terms of cos2x. hence, express f(x) = 6cos^2 x - 4sin 2x in the form r cos (2x + y degrees) + p where r, y and p are constants. find the maxium and minimum values of f(x) and sketch its graph in the domain -180 < = x < = 360
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Express cos^2 x in terms of cos2x. hence, express f(x) = 6cos^2 x - 4sin 2x in the form r cos (2x +...
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