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Riešenie rovnice pomocou substitúcie
Rieš v \( \mathbb{R} \) rovnici pomocou substitúcie:
\( 4 \operatorname{tg} x-6=-2 \operatorname{tg}^{2} x \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{k \pi ; \frac{\pi}{3}+k \pi ; \frac{4}{3} \pi+k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{k \pi ; \frac{\pi}{3}+k \pi ; \frac{5}{3} \pi+k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{k \pi ; \frac{\pi}{4}+k \pi ; \frac{4}{3} \pi+k \pi\right\} \)
\( K=\bigcup_{k \in \mathbb{Z}}\left\{k \pi ; \frac{2\pi}{3}+k \pi ; \frac{4}{3} \pi+k \pi\right\} \)