Use the Fundamental Identities to Find the Value of the Trigonometric

question 130

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ if $\csc \theta = - \frac { 5 } { 3 }$ and $\theta$ is in quadrant IV.

• A) \(\frac { 5 \sqrt { 29 } } { 29 }\)
• B) \(\frac { 4 } { 5 }\)
• C) \(\frac { \sqrt { 33 } } { 4 }\)
• D) \(- \frac { \sqrt { 11 } } { 6 }\)

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Definitions:

Marginal Social Cost

The extra expense society incurs from the production of an additional unit of a good or service.

Pollution

The act of introducing harmful substances into the environment, leading to negative changes.

Marginal Social Cost

The cost to society of producing one additional unit of a good or service, considering both private costs and externalities.

Society

A group of individuals involved in persistent social interaction, or a large social group sharing the same geographical or social territory, typically subject to the same political authority and dominant cultural expectations.