Write the Given Expression as the Cosine of an Angle $\cos 60 ^ { \circ } \cos 25 ^ { \circ } - \sin 60 ^ { \circ } \sin 25 ^ { \circ }$

question 168

Multiple Choice

Write the given expression as the cosine of an angle. $\cos 60 ^ { \circ } \cos 25 ^ { \circ } - \sin 60 ^ { \circ } \sin 25 ^ { \circ }$

• A) \(\cos \left( 25 ^ { \circ } \right)\)
• B) \(\cos \left( 85 ^ { \circ } \right)\)
• C) \(\cos \left( 35 ^ { \circ } \right)\)
• D) \(\cos \left( 60 ^ { \circ } \right)\)
• E) \(\cos \left( - 50 ^ { \circ } \right)\)

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Definitions:

Abscisic Acid

A plant hormone that regulates growth, inhibits seed germination, and mediates the plant's response to stress conditions like drought.

Hormone

An internal chemical that manages and influences the actions of particular cells or organs in the body.

Environmental Stresses

External factors such as temperature, water, and pollution that can cause physiological stress to organisms, affecting their survival and reproduction.

Wind-pollinated

Refers to plants that rely on wind to transport pollen from one flower to another for fertilization.