Grade 11IIT JEE Entrance Exam
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
1 Answer
Deepak Kumar Shringi
because sin(thetha) is zero when thetha is npie as sin0=sinpie=sin2pie=......0
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