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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

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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