Using a Sum or Difference Identity, Write the Following as an Expression

question 294

Multiple Choice

Using a sum or difference identity, write the following as an expression involving functions of x.
- $\sin \left( x - \frac { \pi } { 2 } \right)$

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

---

Definitions:

Template

A pre-designed layout or structure that serves as a starting point for creating new documents or projects, saving time and ensuring consistency.

Word 2019

The 2019 version of Microsoft Word, a word processing software that is part of the Microsoft Office suite, featuring new tools and improvements over previous versions.

Previous Versions

A feature in some operating systems and applications that allows users to view and restore earlier versions of files and documents.

Bulleted List

A series of items or points presented with bullet symbols to organize information clearly.