Use a Calculator to Decide Whether the Statement Is True

question 198

True/False

Use a calculator to decide whether the statement is true or false.
-sin (180°+ 225°)= sin 180° · cos 225° + cos 180° · sin 225°

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Definitions:

Outputs

The goods or services produced by a business or an economy.

Long-run Average Cost

The per unit cost of production when all inputs, including those typically fixed, can be adjusted.

Short-run Marginal Cost

The cost incurred by producing one additional unit of a product or service in the short term, where some factors of production are fixed.

Envelope

In economics, often describes a theoretical outer limit or boundary, such as the envelope curve which envelopes all the possible positions of equilibrium.