If X = 4 Cot $\theta$ , Use Trigonometric Substitution to Write

question 240

Multiple Choice

If x = 4 cot $\theta$ , use trigonometric substitution to write $\sqrt { 16 + x ^ { 2 } }$ as a trigonometric function of $\theta$ , where 0 < $\theta$ < $\pi$ .

• A) 4 cos \(\theta \)
• B) 4 csc \(\theta \)
• C) 4 cot \(\theta \)
• D) 4 sec \(\theta \)
• E) 4 sin \(\theta \)

---

Definitions:

Randomness of Sample

The principle that each individual in the population has an equal chance of being selected for a survey or study, ensuring the sample accurately reflects the larger group.

Sample Size

The number of subjects or units chosen from a larger population for the purpose of a study or survey.

Internet Polls

Surveys conducted over the internet to gather opinions, preferences, or feedback from a wide audience on various topics.

Random Sample

A method of selecting a subset of individuals from a population in which each individual has an equal probability of being chosen.