Verify That the Equation Is an Identity $$\frac { \sin ( \alpha - \beta ) } { \sin \alpha \sin \beta } = \cot \beta - \cot \alpha$$

question 92

Essay

Verify that the equation is an identity.
- $$\frac { \sin ( \alpha - \beta ) } { \sin \alpha \sin \beta } = \cot \beta - \cot \alpha$$

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Definitions:

Proceeds

The total amount of money received from a transaction, such as the sale of an asset, before any deductions.

Replenish Petty Cash

The process of adding funds to a petty cash fund, typically done when the balance drops to a predefined level, to ensure availability of cash for small, immediate expenses.

Minor Expenditures

Small or insignificant costs that are usually of a non-recurring nature and may not be capitalized.

Discounted Note

A debt instrument sold for less than its face value that will pay the face value at maturity, effectively providing interest to the holder.