Use a Sum or Difference Identity to Find the Exact $$\sin \frac { 7 \pi } { 12 }$$

question 128

Multiple Choice

Use a sum or difference identity to find the exact value.
- $$\sin \frac { 7 \pi } { 12 }$$

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

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Definitions:

Equivalent Units of Production

A concept used in cost accounting to standardize the quantity of output by converting unfinished products into their equivalent of finished goods.

Cost Per Equivalent Unit

A calculation used in process costing that measures the cost of producing a single unit, accounting for partially completed units.

Job-Order Costing

An accounting method that accumulates and assigns costs to specific jobs or batches of products.

Process Costing

A costing method used for production processes that consistently produces similar products, assigning costs to units of product based on the process they undergo.