cos(z)=3*i

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Solution for cos(z)=3*i equation: 


Simplifying
cos(z) = 3i

Multiply cos * z
cosz = 3i

Solving
cosz = 3i

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Divide each side by 'osz'.
c = 3io-1s-1z-1

Simplifying
c = 3io-1s-1z-1

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