If $x = 2 \cot \theta$ , Use Trigonometric Substitution to Write

question 3

Multiple Choice

If $x = 2 \cot \theta$ , use trigonometric substitution to write $\sqrt { 4 + x ^ { 2 } }$ as a trigonometric function of $\theta$ , where $0 < \theta < \pi$ .

• A) \(2 \cos \theta\)
• B) \(2 \csc \theta\)
• C) \(2 \cot \theta\)
• D) \(2 \sec \theta\)
• E) \(2 \sin \theta\)

---

Definitions:

Genetic Material

The molecules (mainly DNA or RNA) within cells that carry the genetic instructions for the development, functioning, growth, and reproduction of all known organisms.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, containing the genetic information necessary for the development of a new organism.

Chromosomes

Structures located in the nucleus of cells, made up of DNA and protein, that contain genes, the basic units of heredity.

Pairs

Groupings of two related or associated items, often used to study comparisons or contrasts.