Find the Exact Value of the Given Expression $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$

question 32

Multiple Choice

Find the exact value of the given expression.​ $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$

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

---

Definitions:

Personnel Management

The administrative discipline of hiring and developing employees so that they become more valuable to the organization.

Workplace Environment

The physical and psychological conditions under which employees work, including factors such as office space, company culture, and management styles.

Employee Productivity

Refers to the efficiency and effectiveness with which workers accomplish tasks and goals within an organization.

Efficiency

The extent to which time, effort, or cost is well-used for the intended task or purpose.