Use a Sum or Difference Identity to Find the Exact $\sin ( x + 2 \pi )$

question 27

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin ( x + 2 \pi )$

• A) \(- \cos x\)
• B) \(\frac { \sqrt { 2 } } { 2 } \cos x + \frac { \sqrt { 2 } } { 2 } \sin x\)
• C) \(\sin x\)
• D) \(\frac { \sqrt { 2 } } { 2 } \cos x - \frac { \sqrt { 2 } } { 2 } \sin x\)

---

Definitions:

Noncompensatory Decision Rule

At work when consumers choose a product or service on the basis of a subset of its characteristics, regardless of the values of its other attributes.

Compensatory Decision Rule

At work when the consumer is evaluating alternatives and trades off one characteristic against another, such that good characteristics compensate for bad ones.

Determinant Attributes

Specific characteristics or features of a product or service that influence the consumer's purchasing decision.

Evaluative Criteria

Consist of a set of salient, or important, attributes about a particular product.