cos(28)=x/8

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Solution for cos(28)=x/8 equation: 


x in (-oo:+oo)

cos(28) = x/8 // - x/8

cos(28)-(x/8) = 0

cos(28)-1/8*x = 0 // - cos(28)

-1/8*x = -cos(28) // : -1/8

x = -cos(28)/(-1/8)

x = 8*cos(28)

x = 8*cos(28)

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