Use the Fundamental Identities to Find the Value of the Trigonometric

question 158

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
- $\cos \omega$ , if $\tan \omega = - \frac { 2 } { 7 }$ and $\sin \omega > 0$

• A) \(- \frac { \sqrt { 53 } } { 7 }\)
• B) \(\frac { 7 \sqrt { 53 } } { 53 }\)
• C) \(\frac { \sqrt { 53 } } { 2 }\)
• D) \(- \frac { 7 \sqrt { 53 } } { 53 }\)

---

Definitions:

Supplier

An entity that provides goods or services to another organization, typically within a supply chain or production process.

Shareholder

An individual or entity that owns shares in a corporation, making them partial owners and entitling them to dividends and certain rights regarding company governance.

Marketing Information System

A structured system of managing and analyzing marketing data that supports business decision-making related to marketing activities.

Geographic Area

A defined physical space, region, or territory where a business operates or targets its marketing efforts.