cos(65)=16/z

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Solution for cos(65)=16/z equation: 


D( z )

z = 0

z = 0

z = 0

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

cos(65) = 16/z // - 16/z

cos(65)-(16/z) = 0

cos(65)-16*z^-1 = 0

-16*z^-1 = -cos(65) // : -16

z^-1 = cos(65)/16

-1 < 0

1/(z^1) = cos(65)/16 // * z^1

1 = (cos(65)/16)*z^1 // : cos(65)/16

16*(cos(65))^-1 = z^1

z = 16*(cos(65))^-1

z = 16*(cos(65))^-1

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