Use the Fundamental Identities to Find the Value of the Trigonometric

question 81

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\sin \theta$ , given that $\cos \theta = \frac { 4 } { 9 }$ and $\theta$ is in quadrant IV.

• A) \(- \frac { \sqrt { 65 } } { 4 }\)
• B) \(- \sqrt { 65 }\)
• C) \(- \frac { 9 } { 4 }\)
• D) \(- \frac { \sqrt { 65 } } { 9 }\)

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Definitions:

Long Run

A period of time in economics during which all inputs, including capital and labor, can be adjusted, and all markets are in equilibrium.

Shutdown Point

A situation in microeconomics where a firm's revenue is equal to its variable costs, indicating it would incur losses by continuing production.

Firm's Output

The overall amount of products or services generated by a company over a specific timeframe.

Short Run

A period in economics during which the quantities of one or more production inputs cannot be changed, making some costs fixed.