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  • 04-01-2017
  • Mathematics
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Solutions to the equation (cosx/sin2x)=(5/7) for 0

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padawan
padawan padawan
  • 04-01-2017
(cosx/sin2x) = 5/7
cosx/(2sinxcosx) = 5/7
2sinx = 7/5
sinx = 0.7
x = arcsin(0.7)
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