cos(60)=5/h

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Solution for cos(60)=5/h equation: 


D( h )

h = 0

h = 0

h = 0

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

cos(60) = 5/h // - 5/h

cos(60)-(5/h) = 0

cos(60)-5*h^-1 = 0

-5*h^-1 = -cos(60) // : -5

h^-1 = cos(60)/5

-1 < 0

1/(h^1) = cos(60)/5 // * h^1

1 = (cos(60)/5)*h^1 // : cos(60)/5

5*(cos(60))^-1 = h^1

h = 5*(cos(60))^-1

h = 5*(cos(60))^-1

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