x
cos (34)*(pi*I + log(-cos(34)))
$$\left(\log{\left(- \cos{\left(34 \right)} \right)} + i \pi\right) \cos^{x}{\left(34 \right)}$$
2 x
(pi*I + log(-cos(34))) *cos (34)
$$\left(\log{\left(- \cos{\left(34 \right)} \right)} + i \pi\right)^{2} \cos^{x}{\left(34 \right)}$$
3 x
(pi*I + log(-cos(34))) *cos (34)
$$\left(\log{\left(- \cos{\left(34 \right)} \right)} + i \pi\right)^{3} \cos^{x}{\left(34 \right)}$$