Write the Expression in Terms of Sine and Cosine, and Simplify

question 139

Multiple Choice

Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
- $\sin 115 ^ { \circ } \cos 55 ^ { \circ } - \cos 115 ^ { \circ } \sin 55 ^ { \circ }$

• A) \(\frac { \sqrt { 3 } } { 3 }\)
• B) \(\frac { 1 } { 2 }\)
• C) \(\frac { 23 } { 12 }\)
• D) \(\frac { \sqrt { 3 } } { 2 }\)

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Definitions:

Deming's 14 Points

A set of management principles developed by W. Edwards Deming, aimed at improving quality, productivity, and competitive position.

System Management

The administration of the multiple components of an organization's systems to ensure their efficient and effective operation and alignment with organizational objectives.

Quality Problems

Issues or defects in the production or delivery of a product or service that fail to meet established standards or customer expectations.

Deming

Pertains to W. Edwards Deming, a distinguished American engineer, statistician, professor, author, lecturer, and consultant in management, renowned for his contributions to the field of quality management.