Use Identities to Find the Indicated Value for Each Angle $\cos 2 \theta = \frac { 2 } { 3 }$

question 26

Multiple Choice

Use identities to find the indicated value for each angle measure.
- $\cos 2 \theta = \frac { 2 } { 3 }$ and $\theta$ terminates in quadrant $\mathrm { I } \quad$ Find $\sin \theta$

• A) \(\sin \theta = \sqrt { 6 }\)
• B) \(\sin \theta = \frac { \sqrt { 6 } } { 6 }\)
• C) \(\sin \theta = - \frac { \sqrt { 6 } } { 6 }\)
• D) \(\sin \theta = 0\)

---

Definitions:

Apathetic

Characterized by a lack of interest, enthusiasm, or concern.

Antidepressant Drugs

Medications designed to improve symptoms of depression by altering brain chemistry, particularly neurotransmitter levels.

Aerobic Exercise

Physical activity that improves the efficiency of the body's cardiovascular system in absorbing and transporting oxygen.

Exposure Therapy

A psychological treatment designed to help individuals confront their fears by gradual and repeated exposure to the feared object, situation, or thought.