Explicaê

01

O período e a imagem da função periódica f: R →R definida por f(x) = cos2x – sen2x, são respectivamente,

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Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.