माना a = 2sinx/1 + sinx + cosx और b =  c/1 + sinx यदि a = b है, तो c = ? 

  • 1

    1 + sinx - cosx

  • 2

    1 - sinx cosx

  • 3

    1 + sinx cosx

  • 4

    1 + cosx - sinx

Answer:- 1

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