Use the Cofunction Identities to Find an Angle That Makes

question 318

Multiple Choice

Use the cofunction identities to find an angle that makes the statement true.
-tan (2ϴ - 140°) = cot (ϴ + 5°)

• A)ϴ = 6°
• B)ϴ = 75°
• C)ϴ = 10°
• D)ϴ = 16°

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Definitions:

Unit Price Elastic

A situation in which the percentage change in quantity demanded is equal to the percentage change in price, resulting in no change in total revenue.

Total Revenue

The total revenue a company earns from selling its goods or services before deducting any expenses or costs.

Chocolate

A sweet, usually brown, food preparation of roasted and ground cacao seeds, often flavored, and available as a solid or liquid.

Unit Elastic

A situation in which the quantity demanded or supplied changes by an equal percentage as the change in price.