k1three123 k1three123
  • 13-10-2020
  • Mathematics
contestada

What are the solutions for the equation 2cos0+1=0 ?

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zaarembrothers013
zaarembrothers013 zaarembrothers013
  • 13-10-2020

Answer:

2cos0=-1

cos0=-1/2

proved

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