Find the cotangent (if it exists) of the real number $t = \frac { 5 \pi } { 4 }$.
A) $- \frac { \sqrt { 2 } } { 2 }$
B) 1
C) $- 1$
D) 0
E) $\cot \left( \frac { 5 \pi } { 4 } \right)$ does not exist

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The Answer of Find the cotangent (if it exists) of the real number $t = \frac { 5 \pi } { 4 }$.
A) $- \frac { \sqrt { 2 } } { 2 }$
B) 1
C) $- 1$
D) 0
E) $\cot \left( \frac { 5 \pi } { 4 } \right)$ does not exist

Find the Cotangent (If It Exists) of the Real Number t=5π4t = \frac { 5 \pi } { 4 }t=45π​

Find the Cotangent (If It Exists) of the Real Number $t = \frac { 5 \pi } { 4 }$