Simplify the Expression $$\left( \sin ^ { 2 } x + \cos ^ { 2 } x \right) - \left( \csc ^ { 2 } x - \cot ^ { 2 } x \right)$$

question 282

Multiple Choice

Simplify the expression.
- $$\left( \sin ^ { 2 } x + \cos ^ { 2 } x \right) - \left( \csc ^ { 2 } x - \cot ^ { 2 } x \right)$$

• A) \(\sin ^ { 2 } x\)
• B) \(\cos ^ { 2 } x\)
• C) 0
• D) 2

Match respiratory system terms with their definitions, enhancing vocabulary and conceptual understanding.

Recognize the symptoms and treatments of lung diseases like squamous and small cell carcinomas.

Identify the most common chronic lung diseases and their primary symptoms.

Understand the anatomical pathway of air through the respiratory system and related physiological processes.

---

Definitions:

Projected Benefit Obligation

An estimate of the total amount of benefits, both vested and non-vested, that a company expects to provide to employees in pension plans.

Prior Service Cost

The cost of additional benefits granted to employees in a pension plan amendment, attributed to employee service in prior periods.

Actuarially Determined

Usually pertaining to pension schemes, insurance, or finance, calculated based on actuarial methods and assumptions about future events.

Pension Expense

the cost recognized by an employer for the benefits provided to employees' post-retirement, calculated based on projected obligations and plan assets.