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Trigonometric Expression Calculation
Vypočítaj:
\( \cos 135^{\circ}-\frac{\sqrt{3}}{\operatorname{cotg} 60^{\circ}}-\sin 315^{\circ}+\cos 210^{\circ}-3 \cdot \operatorname{tg} 315^{\circ} \)
\( -\sqrt{3} \)
\( \frac{\sqrt{3}}{2} \)
\( -\frac{\sqrt{3}}{2} \)
\( \frac{1}{2} \)