cos(53)=x/45

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Solution for cos(53)=x/45 equation: 


x in (-oo:+oo)

cos(53) = x/45 // - x/45

cos(53)-(x/45) = 0

cos(53)-1/45*x = 0 // - cos(53)

-1/45*x = -cos(53) // : -1/45

x = -cos(53)/(-1/45)

x = 45*cos(53)

x = 45*cos(53)

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