Use Identities to Find the Exact Value $\cos \left( - 75 ^ { \circ } \right)$

question 418

Multiple Choice

Use Identities to find the exact value.
- $\cos \left( - 75 ^ { \circ } \right)$

• A) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• B) \(- \sqrt { 6 } - \sqrt { 2 }\)
• C) \(\frac { \sqrt { 2 } - \sqrt { 6 } } { 4 }\)
• D) \(\sqrt { 2 } - \sqrt { 6 }\)

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Definitions:

Task Structure

The degree to which job and task roles are defined, organized, and executed within an organization, affecting clarity and efficiency.

Delegating Style

A management approach where authority and tasks are transferred to lower-level employees, promoting responsibility and decision-making at all levels.

Hersey-Blanchard

A situational leadership model proposing that effective leadership is dependent on the task readiness of the followers.

High-Readiness

The state of being fully prepared and able to respond quickly and effectively to changes or opportunities.