Solved

Find the Exact Value of the Expression $\cot ^ { - 1 } ( - 1 )$

Question 333

Multiple Choice

Find the exact value of the expression.
- $\cot ^ { - 1 } ( - 1 )$

A) $\frac { 2 \pi } { 3 }$
B) $\frac { 3 \pi } { 4 }$
C) $\frac { \pi } { 4 }$
D) $\frac { \pi } { 3 }$

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