Doplň príslušné hodnoty v intervale \( \left\langle 0^{\circ} ; 90^{\circ}\right\rangle \).
\( \cos 90^{\circ}=\operatorname{cot} x \)
\( x=90^{\circ} \)
\( x=60^{\circ} \)
\( x=45^{\circ} \)
\( x=0^{\circ} \)
