Find the Exact Value Of $\tan \left( \frac { 7 \pi } { 2 } \right)$

question 80

Short Answer

Find the exact value of $\tan \left( \frac { 7 \pi } { 2 } \right)$
and $\cot \left( - \frac { 7 \pi } { 2 } \right)$
.

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