Establish the Identity $$\cot ^ { 2 } x = ( \csc x - 1 ) ( \csc x + 1 )$$

question 81

Essay

Establish the identity.
- $$\cot ^ { 2 } x = ( \csc x - 1 ) ( \csc x + 1 )$$

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Definitions:

Erik Erikson

A developmental psychologist and psychoanalyst known for his theory on the psychological development of human beings across eight stages of life.

Stages of Development

A framework used in psychology and other disciplines to describe the predictable steps and patterns of growth and change that occur in individuals over their lifespan.

Sexual Interaction

Physical or emotional activities involving two or more individuals, aimed at achieving sexual pleasure or intimacy.

Developmental Stage

A period in a human's life characterized by unique physical, psychological, or emotional growth and development.