Establish the Identity $$\csc \left( \frac { \pi } { 2 } + u \right) = \sec u$$

question 83

Essay

Establish the identity.
- $$\csc \left( \frac { \pi } { 2 } + u \right) = \sec u$$

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Definitions:

Neutrophil Count

A measure of the number of neutrophils, which are a type of white blood cell, in the blood; important for determining the body's capacity to fight infections.

Acute Bacterial Infection

A rapid onset infection caused by bacteria, characterized by symptoms that develop quickly and are typically severe.

Urinary Catheter

A tube inserted into the bladder to provide urinary drainage when an individual is unable to urinate naturally.

Health Care-Acquired Infection

An infection that a patient acquires while receiving treatment for another condition within a healthcare setting, also known as a nosocomial infection.