Neha posted an Question
May 11, 2020 • 03:13 am 30 points
  • IIT JAM
  • Mathematics (MA)

Can't we substitute d^2 as -a^2 in pi?? other method to solve this problem??

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    Ujjawal vishal Best Answer

    we can substitute D^2 by -a^2 only if there is Sinax or Cosax

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