Mathematics, 24.07.2021 07:00, infoneetusinghoyg22o

1. If = (cos + sin ), show that 1 + + 2 = (1 + 2 cos )(cos + sin )

Answers: 1

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1. If = (cos + sin ), show that 1 + + 2 = (1 + 2 cos )(cos + sin )
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