Use Identities to Write the Expression as a Single Function $\cos \left( \theta + 270 ^ { \circ } \right)$

question 360

Multiple Choice

Use identities to write the expression as a single function of x or θ.
- $\cos \left( \theta + 270 ^ { \circ } \right)$

• A) \(- \sin \theta\)
• B) \(- \cos \theta\)
• C) \(\sin \theta\)
• D) \(\cos \theta\)

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Definitions:

Extraction

The process of removing or obtaining a resource, material, or substance from its source or origin.

User Cost

The opportunity cost of using a durable good or natural resource, representing the foregone benefits from not preserving the asset for future use.

Present Value

The present-day value of a future amount of money or series of payments, calculated using a particular return rate.

Renewable Natural Resources

Natural resources that can be replenished naturally over time, such as sunlight, wind, and biomass.