Use the Fundamental Identities to Simplify the Expression $\sin 260 ^ { \circ } \cos 20 ^ { \circ } - \cos 260 ^ { \circ } \sin 20 ^ { \circ }$

question 260

Multiple Choice

Use the fundamental identities to simplify the expression.
- $\sin 260 ^ { \circ } \cos 20 ^ { \circ } - \cos 260 ^ { \circ } \sin 20 ^ { \circ }$

• A) \(- \frac { 13 } { 3 }\)
• B) \(- \frac { \sqrt { 3 } } { 2 }\)
• C) \(\frac { \sqrt { 3 } } { 2 }\)
• D) \(- \frac { 1 } { 2 }\)

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Definitions:

Period Cost

Expenses recognized in the accounting period when they are incurred, not directly linked to production activity.

Selling

The process of persuading a customer to buy a product or service, often involving identifying customer needs, presenting solutions, and closing the sale.

Factory Overhead

All manufacturing costs that are not directly related to the production of a product or direct labor.

Direct Labor Hours

The cumulative hours that employees, who are directly engaged in the creation of products or services, have worked.