a) Sketch on the same diagram the graphs of y = sin 2 and y = cos
Question:
a) Sketch on the same diagram the graphs of y = sin 2θ and y = cosθ for 0° ≤ θ ≤ 180°.
b) State the number of roots of the equation sin 2θ = cos θ for which 0° ≤ 0 ≤ 180°.
c) Find the roots of the equation sin 2θ = cosθ for which 0° ≤ θ ≤ 360°.
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a To sketch the graphs of y sin 2 and y cos for 0 180 we can use a unit circle and plot the values o...View the full answer
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Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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