Verify the Identity $\frac { 1 + \sec ^ { 2 } x } { 1 + \tan ^ { 2 } x } = 1 + \cos ^ { 2 } x$

question 14

Essay

Verify the identity. $\frac { 1 + \sec ^ { 2 } x } { 1 + \tan ^ { 2 } x } = 1 + \cos ^ { 2 } x$

---

Definitions:

Affordable Care Act

A comprehensive health care reform law enacted in 2010 to improve access to health insurance, expand Medicaid, and support medical care delivery methods.

American Federalism

The division of power between the national government and the individual states in the United States.

Unitary System

A sovereign state governed as a single entity in which the central government is supreme and any administrative divisions (subnational units) exercise only powers that the central government chooses to delegate.

Political Cultures

The deeply rooted norms, values, beliefs, and attitudes that define the relationship between citizens and government within a political system.