Write the Sum as a Product $\cos 4 x + \cos 5 x$

question 84

Essay

Write the sum as a product. $\cos 4 x + \cos 5 x$

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Definitions:

Appetites

The natural desire to satisfy bodily needs, particularly for food.

Frequent, Smaller Meals

A dietary approach involving the consumption of smaller amounts of food more regularly throughout the day, which can aid in digestion and weight management.

Oral Hygiene

The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease, particularly by regular brushing and flossing.

Liquid Intake

The total amount of fluids consumed, critical for maintaining hydration and supporting bodily functions.