anonymous
  • anonymous
imranmeah91 HELP PLEASE! im stuck Solve 4cos2A = 3cosA for 90º≤A≤180º. (Enter only the number.) PLEASE I NEED IT
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
4cos2A = 3cosA
anonymous
  • anonymous
cos 2A= 3/4 cos A
anonymous
  • anonymous
Use double angle iden

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anonymous
  • anonymous
its Cos^2
anonymous
  • anonymous
what?
anonymous
  • anonymous
4cos^2A = 3cosA
anonymous
  • anonymous
um ok
anonymous
  • anonymous
Does it say anything about solve by hand, b/c it not that easy
anonymous
  • anonymous
no its doesn't. theres no answers either

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