Szyhax
Szyhax Szyhax
  • 24-03-2019
  • Mathematics
contestada

Solve cos 4x, if sin x - cos x = 1/3.

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scienceolympiad scienceolympiad
  • 24-03-2019

I'm not an expert at this but use the khan academy video on unit circle to help you tackle that problem.

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MAGGIE0321
MAGGIE0321 MAGGIE0321
  • 24-03-2019
I’m not an expert in math but it looks correct
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