Establish the Identity $$\sin \left( \frac { \pi } { 4 } + x \right) = \sqrt { 2 } ( \cos x + \sin x )$$

question 128

Essay

Establish the identity.
- $$\sin \left( \frac { \pi } { 4 } + x \right) = \sqrt { 2 } ( \cos x + \sin x )$$

---

Definitions:

Financial Manager

A professional responsible for the financial health of a corporation, overseeing investment activities, and planning strategies for the long-term financial objectives.

Distribution Center

A facility where goods are received, stored, and then distributed to consumers or retail outlets.

New Store

A newly established retail outlet or branch of a business that has recently started operations.

Financial Management

The practice of managing a firm's financial operations to achieve financial goals and profitability.