QuestionReportQuestion: \(\cot ^ { - 1 } ( - \sqrt { 3 } )\)=...cot−1(−3)\cot ^ { - 1 } ( - \sqrt { 3 } )cot−1(−3)=A−π6- \frac { \pi } { 6 }−6πB5π6\frac { 5 \pi } { 6 }65πCπ3\frac { \pi } { 3 }3πD2π3\frac { 2 \pi } { 3 }32πAnswer5π6\frac { 5 \pi } { 6 }65πExplanationSolutioncot−1(−3)=π−cot−1(3)=5π6\cot ^ { - 1 } ( - \sqrt { 3 } ) = \pi - \cot ^ { - 1 } ( \sqrt { 3 } ) = \frac { 5 \pi } { 6 }cot−1(−3)=π−cot−1(3)=65π.
