Use the Fundamental Identities to Find the Value of the Trigonometric

question 255

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ , given that $\tan \theta = - \frac { 4 } { 9 }$ and $\theta$ is in quadrant II.

• A) \(\frac { 9 \sqrt { 97 } } { 97 }\)
• B) \(- \frac { 9 \sqrt { 97 } } { 97 }\)
• C) \(- \frac { \sqrt { 97 } } { 9 }\)
• D) \(\frac { \sqrt { 97 } } { 4 }\)

---

Definitions:

Section 29

Without additional context, this is too vague, but it could refer to a specific section of a law or regulation depending on the context.

Ambiguous

Lacking clear definition or boundaries, open to more than one interpretation or understanding.

Plain Language

Writing designed to ensure the reader understands as quickly, easily, and completely as possible.

Bilateral Contract

An agreement between two parties where each promises to perform an act in exchange for the other party's act.