If N Is an Integer, N ∙ 180° Represents an Integer

question 252

Multiple Choice

If n is an integer, n ∙ 180° represents an integer multiple of 180°, and (2n + 1) ∙ 90° represents an odd integer multiple of
90°. Decide whether the expression is equal to 0, 1, -1, or is undefined.
- $\tan \left( \mathrm { n } \cdot 180 ^ { \circ } \right)$

• A) Undefined
• B) 0
• C) -1
• D) 1

---

Definitions:

Confidence

A feeling of self-assurance arising from an appreciation of one's own abilities or qualities.

Professionalism

The conduct, behavior, and attitude expected of an individual in a work or business environment, demonstrating competence and ethical standards.

Etiquette Rules

Guidelines that govern the socially acceptable way to behave in various situations.

Business Online

Refers to commercial activities conducted over the internet, including sales, marketing, and customer service.