Write the Word or Phrase That Best Completes Each Statement $$\sin ( x + y ) - \sin ( x - y ) = 2 \cos x \sin y$$

question 253

Essay

Write the word or phrase that best completes each statement or answers the question.
Establish the identity.
- $$\sin ( x + y ) - \sin ( x - y ) = 2 \cos x \sin y$$

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Definitions:

Adjusted Trial Balance

A list of all the accounts of a company, showing the balances after adjustments, used to prepare financial statements.

Adjustments Column

A column in financial statements or ledgers for entries that correct or modify the original amounts for better accuracy.

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit accounts columns to check the accuracy of financial transactions.

Work Sheet

An internal document or spreadsheet used by accountants to prepare financial statements and consolidate adjusting entries.