a9lexisperk1leelaura a9lexisperk1leelaura

23-12-2016
Mathematics

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which double angle or half angle identity would you use to verify that sin2x/2sin2x=cot x

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johnkellock johnkellock

24-12-2016

sin^2(x) / 2sin(2x) = cot(x)

The only double angle in that formula is sin(2x) sin(2x) = 0.5*(cosx)(sinx)

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