Cos(40)=x/16

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Solution for Cos(40)=x/16 equation: 


x in (-oo:+oo)

cos(40) = x/16 // - x/16

cos(40)-(x/16) = 0

cos(40)-1/16*x = 0 // - cos(40)

-1/16*x = -cos(40) // : -1/16

x = -cos(40)/(-1/16)

x = 16*cos(40)

x = 16*cos(40)

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