Math, asked by tatai1889, 1 year ago

cos4x-cos4y=prove that8(cosx-cosy)(cosx+cosy)(cosx+siny)(cosx+Siny)

nalinsingh: It should be 8(cosx - cosy) (cosx + cosy) (cosx - Siny) (cosx + siny)

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Answered by nalinsingh

34

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Answered by majumdardebarshi

2

Hope this will help to solve your problem.

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