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Subjects>Math>Algebra

What is CosA-SinA?

Updated: 4/28/2022

Wiki User

∙ 12y ago

Best Answer

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)

Wiki User

∙ 12y ago

This answer is:

Anoopbruce1939 ∙

Lvl 1

∙ 2y ago

u assumed identity wron

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