Find the Exact Values of S in the Given Interval $$[ - \pi , \pi ) ; 2 \cos ^ { 2 } \mathrm {~s} = 1$$

question 153

Multiple Choice

Find the exact values of s in the given interval that satisfy the given condition.
- $$[ - \pi , \pi ) ; 2 \cos ^ { 2 } \mathrm {~s} = 1$$

• A) \(\frac { \pi } { 4 } , \frac { 3 \pi } { 4 } , \frac { 5 \pi } { 4 } , \frac { 7 \pi } { 4 }\)
• B) \(- \frac { 7 \pi } { 4 } , - \frac { 5 \pi } { 4 } , - \frac { 3 \pi } { 4 } , - \frac { \pi } { 4 }\)
• C) \(- \frac { 2 \pi } { 3 } , - \frac { \pi } { 3 } , \frac { \pi } { 3 } , \frac { 2 \pi } { 3 }\)
• D) \(- \frac { 3 \pi } { 4 } , - \frac { \pi } { 4 } , \frac { \pi } { 4 } , \frac { 3 \pi } { 4 }\)

---

Definitions:

Electroconvulsive Therapy

A therapy often applied to major depressive disorders that involves the use of electrical currents to generate short seizures in the brain.

Memory Loss

A condition in which an individual experiences an inability to remember information or events that should normally be able to be recalled.

Consolidation

The process by which memories become stable in the brain; a critical phase after initial learning that involves the strengthening of the memory trace.

Psychoanalytic View

A psychological perspective that emphasizes unconscious mental processes and early childhood experiences in shaping behaviors and traits.