Establish the Identity $$\csc ^ { 4 } x - \cot ^ { 4 } x = \csc ^ { 2 } x + \cot ^ { 2 } x$$

question 377

Essay

Establish the identity.
- $$\csc ^ { 4 } x - \cot ^ { 4 } x = \csc ^ { 2 } x + \cot ^ { 2 } x$$

---

Definitions:

Short-Term Bank Loan

A loan obtained from a bank that has a short repayment period, typically less than one year.

Best Course of Action

The most suitable or advantageous strategy or decision to take in a given situation.

Annual Rate

The interest rate for a whole year, as opposed to a rate for a shorter period.

Terms of Payment

The conditions under which a seller will complete a sale, often specifying the period allowed to a buyer to pay off the amount due.