Establish the Identity $$\sin ^ { 3 } x \cos ^ { 2 } x = \sin x \left( \cos ^ { 2 } x - \cos ^ { 4 } x \right)$$

question 40

Essay

Establish the identity.
- $$\sin ^ { 3 } x \cos ^ { 2 } x = \sin x \left( \cos ^ { 2 } x - \cos ^ { 4 } x \right)$$

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Definitions:

Fixed Manufacturing Overhead

The portion of manufacturing overhead costs that remain constant regardless of the level of production, such as rent and salaries of permanent staff.

Denominator Activity

In managerial accounting, a measure of activity used to allocate fixed costs to cost objects.

Cost Per Unit

It represents the total cost incurred for producing, manufacturing, or acquiring a product divided by the number of units.

Volume Variance

A measure of the difference between the budgeted and actual volume of production, affecting costs or profitability.