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Subjects>Math>Algebra

What is CosA-SinA?

Anonymous

∙ 13y 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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∙ 13y ago

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