Use the Fundamental Identities to Simplify the Expression $\sin \frac { \pi } { 15 } \cos \frac { 4 \pi } { 15 } + \cos \frac { \pi } { 15 } \sin \frac { 4 \pi } { 15 }$

question 182

Multiple Choice

Use the fundamental identities to simplify the expression.
- $\sin \frac { \pi } { 15 } \cos \frac { 4 \pi } { 15 } + \cos \frac { \pi } { 15 } \sin \frac { 4 \pi } { 15 }$

• A) 1
• B) \(\frac { 1 } { 2 }\)
• C) \(\frac { \sqrt { 2 } } { 2 }\)
• D) \(\frac { \sqrt { 3 } } { 2 }\)

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