Goniometrická rovnice cot x = 0
Vyřeš v \( \mathbb{R} \) goniometrickou rovnici:
\( \cot x=0 \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{\frac{3\pi}{2}+k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{\frac{\pi}{2}+k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{\frac{\pi}{4}+k \pi\right\} \)