Verify That the Equation Is an Identity $$\sin \left( \frac { 3 \pi } { 2 } - \theta \right) = - \cos \theta$$

question 233

Essay

Verify that the equation is an identity.
- $$\sin \left( \frac { 3 \pi } { 2 } - \theta \right) = - \cos \theta$$

---

Definitions:

Unsteady

Lacking stability in movement or gait, often at risk of falling.

Catatonia

A behavioral syndrome marked by an inability to move normally, which can include symptoms such as muscular rigidity or stupor, often associated with psychiatric conditions.

Waxy Flexibility

A symptom seen in catatonic schizophrenia where an individual’s limbs remain in positions they are placed in by someone else.

Schizophrenia

A mental disorder characterized by disturbances in thought, perception, and behavior, with symptoms that may include delusions, hallucinations, and disorganized speech.