Show that (1 + sin + cos) = 2(1 + sin) (1 + cos).
Question:
Show that (1 + sinθ + cosθ)² = 2(1 + sinθ) (1 + cosθ).
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ANSWER We can start by expanding the lefthand side of th...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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