Express in terms of sin a) sin cos b) 2 cos 4 sin.
Question:
Express in terms of sinθ
a) sin²θ − cos²θ
b) 2 cos²θ − 4 sinθ.
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a Using the identity cos sin 1 we can rewrite sin cos ...View the full answer
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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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