Verify the Identity Shown Below $$\sec ^ { 2 } \left( \frac { \pi } { 2 } - y \right) - 1 = \cot ^ { 2 } y$$

question 13

Essay

Verify the identity shown below. $$\sec ^ { 2 } \left( \frac { \pi } { 2 } - y \right) - 1 = \cot ^ { 2 } y$$

---

Definitions:

Delusions

False beliefs held with strong conviction, despite superior evidence to the contrary, often observed in mental health disorders like schizophrenia.

Obsessions

Persistent, unwanted, and intrusive thoughts, images, or urges that cause significant anxiety or distress.

Hallucinations

Perceptions or sensations experienced without the presence of external stimuli, often auditory or visual in nature.

Compulsions

Are repetitive behaviors or mental acts that a person feels the need to perform in response to an obsession or according to rigidly applied rules.