Verify That Each Equation Is an Identity $$\cot x \sec ^ { 4 } x = \cot x + 2 \tan x + \tan ^ { 3 } x$$

question 131

Essay

Verify that each equation is an identity.
- $$\cot x \sec ^ { 4 } x = \cot x + 2 \tan x + \tan ^ { 3 } x$$

---

Definitions:

Lockout

A lockout occurs when an employer denies employees access to the workplace.

Impasses

Situations in negotiations (often labor negotiations) where the parties involved are unable to reach an agreement, leading to a deadlock.

Union Actions

Activities undertaken by labor unions, including strikes and negotiations, aimed at securing better conditions for their members.

Bargaining Unit

A group of employees with a clear and identifiable community of interests who are represented by a single labor union in collective bargaining and labor negotiations.