Use the Fact That the Trigonometric Functions Are Periodic to Find

question 276

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) \(- \sqrt { 3 }\)

Describe the functions of different parts of the brain and nervous system.

Understand the process and pathways of nerve impulses and reflexes.

Recognize the role of the body's immune system in relation to neurological disorders.

Explain the importance of medical imaging techniques in diagnosing neurological conditions.