Solved

Evaluate Without Using a Calculator by Using Ratios in a Reference

Question 363

Multiple Choice

Evaluate without using a calculator by using ratios in a reference triangle.
- $\cot \frac { - 5 \pi } { 6 }$

A) $- \frac { \sqrt { 3 } } { 3 }$
B) $\sqrt { 3 }$
C) $\frac { \sqrt { 3 } } { 3 }$
D) $- \sqrt { 3 }$

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