Use Identities to Fill in the Blank with the Appropriate $\cos \theta$

question 159

Multiple Choice

Use identities to fill in the blank with the appropriate trigonometric function name.
-Find $\cos \theta$ if $\tan \theta = 4$ and $\sin \theta < 0$ .

• A) \(- 17\)
• B) \(\frac { 1 } { 4 }\)
• C) \(- \frac { \sqrt { 17 } } { 17 }\)
• D) \(- \frac { \sqrt { 17 } } { 4 }\)

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Definitions:

U.S. Legislation

Laws and statutes enacted by the legislative branch of the United States government.

Unionize

The process by which workers form or join a union to collectively negotiate with their employer over wages, benefits, and working conditions.

Railway Labor Act

A U.S. federal law enacted in 1926 to prevent interruptions to interstate commerce by providing for the settlement of disputes between railroads and their workers.

Government Mediation

The intervention by government agencies or officials to facilitate the resolution of a dispute between parties, typically in labor disputes.