Catrancevaringsw Catrancevaringsw
  • 10-03-2017
  • Mathematics
contestada

Given:
cos(2x)=-1/9
Angle x is in quadrant I.
Find:
cos(x)

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Melleny132
Melleny132 Melleny132
  • 12-03-2017
My opinion about this answer is 7
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