tmcbroom8421 tmcbroom8421

10-07-2018
Mathematics

contestada

solve the equation if 0(o) < x < 360(o)
cos x = -1/2

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sqdancefan sqdancefan

11-07-2018

cos(x) = -1/2
x = arccos(-1/2) = 120° or 240°

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