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What is CosA-SinA?

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Anonymous

 ∙ 12y ago
Updated: 4/28/2022

Sin^2 - Cos^2 = 1 {By the Identity}

Therefore (SinA-CosA)(SinA+CosA) = 1

SinA-CosA = 1/(SinA+CosA)

Therefore CosA-SinA = -1/(SinA+CosA)

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 ∙ 12y ago

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