Without Using a Calculator, Give the Exact Trigonometric Function Value $\sec 45 ^ { \circ }$

question 280

Multiple Choice

Without using a calculator, give the exact trigonometric function value with rational denominator.
- $\sec 45 ^ { \circ }$

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

---

Definitions:

Confidentiality

The ethical principle or legal right that prohibits the disclosure of private information without the individual's consent.

Color-coding

The practice of using different colors to categorize, identify, or prioritize items, making them easier to recognize or locate.

Medical Office

A facility or space where medical professionals consult with and treat patients, often housing equipment and staff for healthcare services.

Filing System

An organized method for storing documents, records, or files in a way that they can be easily retrieved, managed, and preserved.