Cos(65)=6/x

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Solution for Cos(65)=6/x equation:


D( x )

x = 0

x = 0

x = 0

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

cos(65) = 6/x // - 6/x

cos(65)-(6/x) = 0

cos(65)-6*x^-1 = 0

-6*x^-1 = -cos(65) // : -6

x^-1 = cos(65)/6

-1 < 0

1/(x^1) = cos(65)/6 // * x^1

1 = (cos(65)/6)*x^1 // : cos(65)/6

6*(cos(65))^-1 = x^1

x = 6*(cos(65))^-1

x = 6*(cos(65))^-1

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