Find the Exact Value Of $\cos ( u - v )$

question 27

Multiple Choice

Find the exact value of $\cos ( u - v )$ given that $\sin u = - \frac { 9 } { 41 }$ and $\cos v = \frac { 15 } { 17 }$ . (Both $u$ and $v$ are in Quadrant IV.)

• A) \(\cos ( u - v ) = - \frac { 194 } { 697 }\)
• B) \(\cos ( u - v ) = - \frac { 39 } { 697 }\)
• C) \(\cos ( u - v ) = \frac { 568 } { 697 }\)
• D) \(\cos ( u - v ) = - \frac { 528 } { 697 }\)
• E) \(\cos ( u - v ) = \frac { 672 } { 697 }\)

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Definitions:

Aging Process

A method used in accounting to categorize accounts receivable according to the length of time an invoice has been outstanding.

Accounts Receivable

Funds that are expected to be received by a company from its customers who have purchased goods or services on credit, essentially representing a line of credit extended by the business and recorded as an asset.

Income Statement Approach

The Income Statement Approach is a method used in accounting to create the income statement by focusing on revenues, expenses, and income to determine the net profit or loss for a period.

Direct Write Off Method

A method to account for bad debts by directly writing off specific invoices determined to be uncollectible.