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Unformatted text preview: and sin on the unit circle, show that  sin sin     . 2. Prove the identity cos 3 x =3 cos x + 4 cos 3 x . 1...
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This note was uploaded on 02/14/2012 for the course MATH 137 taught by Professor Speziale during the Spring '08 term at Waterloo.
 Spring '08
 SPEZIALE
 Calculus, Unit Circle

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