Use the Fact That the Trigonometric Functions Are Periodic to Find

question 134

Multiple Choice

Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.
- $\cot 390 ^ { \circ }$

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

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Definitions:

Human Relations

Interactions and relationships between people, especially in the workplace, emphasizing communication and cooperation.

Primary Labour Market

Refers to sectors of the economy offering high-quality, secure jobs with good pay, benefits, and opportunities for advancement.

Secondary Labour Market

A segment of the labor market characterized by low-paying, insecure jobs, and often with limited opportunities for advancement.

Informal Network

A social network formed based on personal relationships and social connections, rather than formal contracts or organizational structures.