a) Sketch the graph of y = sin x for 0 x 360. b) Prove
Question:
a) Sketch the graph of y = sin² x for 0° ≤ x ≤ 360°.
b) Prove that if sin² x > ³/ then cos² x < 1/4.
c) Solve sin² x > 3/4 for 0° ≤ x ≤ 360°.
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Related Book For
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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