### Home > A2C > Chapter 12 > Lesson 12.1.2 > Problem12-40

12-40.

Use the symmetry of the unit circle and the knowledge that $\operatorname { sin } \frac { \pi } { 3 } = \frac { \sqrt { 3 } } { 2 }$ to write three other true statements using sine.

See problems 11-76 and 12-15 for help.