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sin2y / (1 - cos y)


7 years ago


Answers : (1)


       plz check this : 


          (sin2 y)/(1-cos y)=(1-cos2 y)/(1-cos y)

        = (12 - cos2y)/(1-cos y)

        = (1 + cos y)

        = 1 + cos y

        =  ans.


7 years ago

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