Singhabhi01
Singhabhi01 Singhabhi01
  • 19-04-2017
  • Mathematics
contestada

sin(20)^2 + sin(40)^2 + sin(60)^2+sin(80)^2 =

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heidimzn
heidimzn heidimzn
  • 19-04-2017
2.469387 is the answer
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