cos(71)=1.72/n

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Solution for cos(71)=1.72/n equation: 


D( n )

n = 0

n = 0

n = 0

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

cos(71) = 1.72/n // - 1.72/n

cos(71)-(1.72/n) = 0

cos(71)-1.72*n^-1 = 0

-1.72*n^-1 = -cos(71) // : -1.72

n^-1 = 0.58139535*cos(71)

-1 < 0

1/(n^1) = 0.58139535*cos(71) // * n^1

1 = 0.58139535*cos(71)*n^1 // : 0.58139535*cos(71)

1.72*(cos(71))^-1 = n^1

n = 1.72*(cos(71))^-1

n = 1.72*(cos(71))^-1

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