Write the Word or Phrase That Best Completes Each Statement $$\cos 3 x = \cos ^ { 3 } x - 3 \sin ^ { 2 } x \cos x$$

question 240

Essay

Write the word or phrase that best completes each statement or answers the question.
- $$\cos 3 x = \cos ^ { 3 } x - 3 \sin ^ { 2 } x \cos x$$

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Definitions:

Cost Of Goods Sold

Cost of goods sold (COGS) is the direct cost attributable to the production of the goods sold by a company, including the cost of materials and labor.

Gross Profit

The financial gain a company achieves after subtracting the cost of goods sold from its total revenue.

Operating Expenses

Expenses incurred in the normal operation of a business, excluding the cost of goods sold.

Net Sales

This is the amount of sales generated by a company after deducting returns, allowances for damaged or missing goods, and any discounts allowed.