a. Sketch the graphs of y = 2 sin x and y = cos x on the

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a. Sketch the graphs of y = 2 sin x and y = cos x on the same set of axes (0 ≤ x ≤ 360°).

b. Write down how many solutions there are in the given range for the equation 2 sin x = cos x.

c. Solve the equation 2 sin x = cos x algebraically, giving your answers in exact form.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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Authors: Greg Attwood

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a. Sketch the graphs of y = 2 sin x and y = cos x on the

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a To sketch the graphs of y 2 sin x and y cos x on the same set of axes well first plot the key poin...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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