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Cos^2A+sin^2A.cos2B=cos^2B+sin^2B.cos2A
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May 5, 2018
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Cos^2A+sin^2A.cos2B=cos^2B+sin^2B.cos2A
Mathematics
high-school
HernandoZ
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I am unable to solve this, can you give more info
Jigish Chawda
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May 10, 2018
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Jigish Chawda
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