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Find x

  1. Mar 24, 2005 #1
    sin^n (x) - cos^n (x) = 0
  2. jcsd
  3. Mar 24, 2005 #2
    Is it Pi/4 ?
  4. Mar 24, 2005 #3


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    It admits an infinity of solutions,because it's simple to see that among the solutions of the initial equation,there can be found the solutions to:
    tan x=1 ,x=pi/4+k*pi,k in Z

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