Use the Fundamental Identities to Find the Value of the Trigonometric

question 398

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ if $\sin \theta = - \frac { 5 } { 13 }$ and $\theta$ is in quadrant III.

• A) \(- \frac { 12 } { 13 }\)
• B) \(- \frac { 5 } { 12 }\)
• C) \(- \frac { 13 } { 5 }\)
• D) \(\frac { 12 } { 5 }\)

---

Definitions:

Proponents

Individuals or parties who support or advocate for a particular idea, proposal, or cause.

Ancient Greek

Refers to the civilization of Greece in the classical period, known for its advances in arts, philosophy, and politics.

Various Shapes

Refers to the diversity of forms or outlines that objects, substances, or structures can possess.