haloreachgamerovh9jq haloreachgamerovh9jq
  • 08-11-2017
  • Mathematics
contestada

solve 2-3cosx=5+3cosx for 0\deg <=x<=180\deg

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Emilyvk25
Emilyvk25 Emilyvk25
  • 09-11-2017
2 - 3cos(x) = 5 + 3cos(x) 
<=> 
-3 = 6cos(x) 
<=> 
cos(x) = -1/2 
<=> 
x = 120°
 hope it helps!!
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