Write the Word or Phrase That Best Completes Each Statement $$\frac { \cos x } { \sec x - 1 } - \frac { \cos x } { \sec x + 1 } = \frac { 2 \cos x } { \tan ^ { 2 } x }$$

question 21

Essay

Write the word or phrase that best completes each statement or answers the question.
Establish the identity.
- $$\frac { \cos x } { \sec x - 1 } - \frac { \cos x } { \sec x + 1 } = \frac { 2 \cos x } { \tan ^ { 2 } x }$$

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Definitions:

Court Enforcement

The process by which courts ensure compliance with their orders, judgments, or decrees, often involving legal mechanisms to compel parties to adhere to the terms set forth.

State's Rights

State's rights refer to the political powers held by individual U.S. states as opposed to those held by the federal government, emphasizing the decentralized structure in the Constitution.

UCC

The Uniform Commercial Code is a substantial framework of laws tailored to govern business transactions within the United States.

Commercial Code

A set of laws that regulate commercial transactions, including the sale and leasing of goods, negotiable instruments, and secured transactions.