३५ (i) Sketch the graph of y = cos x for 0° ≤ x ≤ 360°. [3] On the same axes, sketch the graph of y = cos 2x for 0° ≤x≤

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answerhappygod
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३५ (i) Sketch the graph of y = cos x for 0° ≤ x ≤ 360°. [3] On the same axes, sketch the graph of y = cos 2x for 0° ≤x≤

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३५ (i) Sketch the graph of y = cos x for 0° ≤ x ≤ 360°. [3] On the same axes, sketch the graph of y = cos 2x for 0° ≤x≤ 360°. Label each graph clearly. (ii) Solve the equation cos 2x = 0.5 for 0° ≤ x ≤ 360°. [2]
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