Use a Double-Angle Formula or Half-Angle Formula to Simplify $\frac { \sin 48 ^ { \circ } } { 1 + \cos 48 ^ { \circ } }$

question 51

Essay

Use a double-angle formula or half-angle formula to simplify $\frac { \sin 48 ^ { \circ } } { 1 + \cos 48 ^ { \circ } }$ .

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Definitions:

Consumption Expenditures

The total amount of money spent by households and individuals on goods and services for personal use.

Circular Flow Diagram

A visual model of the economy that shows how dollars flow through markets among households and firms.

Households

Economic units that consist of all individuals who live together in one dwelling, making joint decisions about consumption and labor.

Circular Flow Model

An economic model illustrating the continuous movement of money, goods and services, and factors of production between producers and consumers in an economy.