Evaluate Without Using a Calculator by Using Ratios in a Reference

question 122

Multiple Choice

Evaluate without using a calculator by using ratios in a reference triangle.
- $\tan \frac { - 7 \pi } { 4 }$

• A) \(\frac { \sqrt { 3 } } { 3 }\)
• B) \(- 1\)
• C) \(\sqrt { 3 }\)
• D) 1