Use a Sum or Difference Identity to Find the Exact $\sin \frac { 11 \pi } { 12 }$

question 475

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin \frac { 11 \pi } { 12 }$

• A) \(\frac { \sqrt { 3 } - 2 } { 4 }\)
• B) \(\frac { \sqrt { 3 } + 2 } { 4 }\)
• C) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• D) \(\frac { \sqrt { 6 } + \sqrt { 2 } } { 4 }\)

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Definitions:

Total Overhead Variance

The difference between the actual overhead costs incurred and the standard or budgeted overhead costs anticipated for a particular period.

Direct Labor Hours

The total hours worked by employees directly involved in the manufacturing process or providing a service.

Manufacturing Overhead

Costs incurred in the manufacture of a product which are not directly traceable to specific units produced, such as utility costs and maintenance expenses.

Overhead Volume Variance

The difference between the budgeted and actual volume of overhead costs.