Use a Sum or Difference Identity to Find the Exact $\sin 185 ^ { \circ } \cos 65 ^ { \circ } - \cos 185 ^ { \circ } \sin 65 ^ { \circ }$

question 267

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin 185 ^ { \circ } \cos 65 ^ { \circ } - \cos 185 ^ { \circ } \sin 65 ^ { \circ }$

• A) \(\frac { \sqrt { 3 } } { 2 }\)
• B) \(\frac { 37 } { 12 }\)
• C) \(- \frac { \sqrt { 3 } } { 2 }\)
• D) \(- \frac { 1 } { 2 }\)

---

Definitions:

Income Distribution

How a nation’s total GDP is distributed amongst its population, affecting the economic welfare of its citizens.

Marginal Utility

The added contentment or utility one gains from using an additional unit of a good or service.

Transferring Income

Transferring income involves reallocating resources or money from one group to another, often through mechanisms like taxation, welfare, or subsidies.

Total Utility

describes the total satisfaction or benefit that a consumer derives from consuming a certain quantity of goods or services.