cos(28)=8/c

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Solution for cos(28)=8/c equation: 


D( c )

c = 0

c = 0

c = 0

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

cos(28) = 8/c // - 8/c

cos(28)-(8/c) = 0

cos(28)-8*c^-1 = 0

-8*c^-1 = -cos(28) // : -8

c^-1 = cos(28)/8

-1 < 0

1/(c^1) = cos(28)/8 // * c^1

1 = (cos(28)/8)*c^1 // : cos(28)/8

8*(cos(28))^-1 = c^1

c = 8*(cos(28))^-1

c = 8*(cos(28))^-1

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