Use a Sum or Difference Identity to Find the Exact $$\sin \frac { \pi } { 15 } \cos \frac { 4 \pi } { 15 } + \cos \frac { \pi } { 15 } \sin \frac { 4 \pi } { 15 }$$

question 459

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\sin \frac { \pi } { 15 } \cos \frac { 4 \pi } { 15 } + \cos \frac { \pi } { 15 } \sin \frac { 4 \pi } { 15 }$$

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

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Definitions:

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Refers to the statutory provisions under the Model Business Corporation Act, which is a model set of law intended to regulate corporate affairs.

Close Corporation

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A rule protecting business managers from liability for making bad decisions when they have acted prudently and in good faith.

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