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Cos(a-b)cos(a+b)=cos^2(a)-sin^2(b)

Cos(a-b)cos(a+b)=cos^2(a)-sin^2(b)
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Cos(a-b)cos(a+b)=cos^2(a)-sin^2(b)

User Sturm
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1 Answer

4 votes

Answer:

Sure

Explanation:

User Christopher Karam
by
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