Verify the Equation Is an Identity Using Special Products and Fundamental

question 90

Essay

Verify the equation is an identity using special products and fundamental identities.
(1 + cos x)[1 - cos(-x)] = sin² x

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Definitions:

Proprietorship

A business structure owned by a single individual where there's no legal distinction between the owner and the business entity.

Legal Dissolution

The process of legally dissolving a company, terminating its existence by the law.

New Partner

An individual who joins an existing partnership, contributing capital, and sharing in profits, losses, and liabilities.

Unlimited Liability

A legal structure where a business owner or partners are personally responsible for the debts of the business.