Find the Exact Circular Function Value $\sin \frac { 3 \pi } { 4 }$

question 224

Multiple Choice

Find the exact circular function value.
- $\sin \frac { 3 \pi } { 4 }$

• A) \(- \frac { 1 } { 2 }\)
• B) \(\frac { \sqrt { 2 } } { 2 }\)
• C) \(- \frac { \sqrt { 2 } } { 2 }\)
• D) \(\frac { 1 } { 2 }\)