tmcbroom8421 tmcbroom8421
  • 10-07-2018
  • Mathematics
contestada

solve the equation if 0(o) < x < 360(o)
cos x = -1/2

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sqdancefan
sqdancefan sqdancefan
  • 11-07-2018
cos(x) = -1/2
x = arccos(-1/2) = 120° or 240°
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