Complex Cosine Function/Examples
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Examples of Complex Cosine Function
Example: $4 \cos z = 3 + i$
Let:
- $4 \cos z = 3 + i$
Then:
- $z = \dfrac {\paren {8 n + 1} \pi} 4 - \dfrac {i \ln 2} 2$ for $n \in \Z$
or:
- $z = \dfrac {\paren {8 m - 1} i \pi} 4 + \dfrac {i \ln 2} 2$ for $m \in \Z$