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If cosx=cosy ,x=2nπ±y,in 3step x+y/2=nπ how? It occurs please explain it

If cosx=cosy ,x=2nπ±y,in 3step x+y/2=nπ how? It occurs please explain it

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
because sin(thetha) is zero when thetha is npie as sin0=sinpie=sin2pie=......0

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