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

question 219

Multiple Choice

Find the exact value of $\cos ( u + v )$ given that $\sin u = \frac { 5 } { 13 }$ and $\cos v = - \frac { 4 } { 5 }$ .(Both u and v are in Quadrant II.)

• A) \(\cos ( u + v ) = \frac { 28 } { 65 }\)
• B) \(\cos ( u + v ) = - \frac { 16 } { 65 }\)
• C) \(\cos ( u + v ) = \frac { 33 } { 65 }\)
• D) \(\cos ( u + v ) = - \frac { 28 } { 65 }\)
• E) \(\cos ( u + v ) = \frac { 56 } { 65 }\)

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Definitions:

Valuation Models

Valuation models are analytical methods used to estimate the current value of an asset or a company based on various economic factors.

Consolidated Net Income

The total net income of a parent company and its subsidiaries after eliminating intercompany transactions and distributions among subsidiaries.

Controlling Interest

Ownership of a sufficient portion of a company's stock to influence or direct the management and operations.

Amortization

The process of spreading out a loan or intangible asset cost over a specific period of time for accounting and tax purposes.