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Grade 11Trigonometry

Simplify

sin2y / (1 - cos y)

Profile image of Simran Bhatia
17 Years agoGrade 11
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1 Answer

Profile image of Vijay Luxmi Askiitiansexpert
17 Years ago

       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.