Use a Half-Angle Formula to Find the Exact Value Of \sin

question 48

Essay

Use a half-angle formula to find the exact value of $\sin \frac { \pi } { 8 }$ .

---

Definitions:

In-vivo

A term used in research to indicate studies or experiments conducted in living organisms.

Flooding

A psychotherapeutic technique for treating phobias and anxiety disorders by exposing the patient to their fear at full intensity.

Systematic Desensitization

A therapy technique used to reduce fear or anxiety towards a particular object, situation, or activity through gradual exposure.

Hierarchy Of Triggers

A concept in psychology that represents a structured ranking of stimuli that elicit responses in an individual, organized by the level of impact or intensity.