cos(40)=x/14

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Solution for cos(40)=x/14 equation: 


x in (-oo:+oo)

cos(40) = x/14 // - x/14

cos(40)-(x/14) = 0

cos(40)-1/14*x = 0 // - cos(40)

-1/14*x = -cos(40) // : -1/14

x = -cos(40)/(-1/14)

x = 14*cos(40)

x = 14*cos(40)

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