Find the Exact Value by Using a Half-Angle Identity

question 18

Multiple Choice

Find the exact value by using a half-angle identity.
-(csc ϴ + cot ϴ) (1 - cos ϴ) = sin ϴ

• A)Identity
• B)Not an Identity

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Definitions:

Id

In psychoanalysis, the part of the mind responsible for basic instincts and drives.

Sexual Drive

Sexual drive, or libido, is an individual's overall sexual desire or desire for sexual activity.

Human Activity

Any action or task performed by humans, which can include work, leisure, and daily living activities.

Freud

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue.