Cos(22)=3/x

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Solution for Cos(22)=3/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

cos(22) = 3/x // - 3/x

cos(22)-(3/x) = 0

cos(22)-3*x^-1 = 0

-3*x^-1 = -cos(22) // : -3

x^-1 = cos(22)/3

-1 < 0

1/(x^1) = cos(22)/3 // * x^1

1 = (cos(22)/3)*x^1 // : cos(22)/3

3*(cos(22))^-1 = x^1

x = 3*(cos(22))^-1

x = 3*(cos(22))^-1

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