Find the Expression as the Tangent of an Angle $\frac { \tan 3 x + \tan x } { 1 - \tan 3 x \tan x }$

question 145

Multiple Choice

Find the expression as the tangent of an angle. $\frac { \tan 3 x + \tan x } { 1 - \tan 3 x \tan x }$

• A) \(\tan 2 x\)
• B) \(\tan 3 x\)
• C) \(\tan 4 x\)
• D) \(\tan ^ { - 1 } 4 x\)
• E) \(\tan ^ { - 1 } 2 x\)

---

Definitions:

Products

Substances that are formed as a result of a chemical reaction.

Energy Factor

A term that could relate to various contexts, but generally refers to a measure or element that significantly influences the energy efficiency or energy required for processes or systems.

Chemical Reactions

Processes that involve rearrangement of the molecules or atomic structure of substances, resulting in new products.

Body Temperature

The measurement of the warmth or coldness of the human body, typically maintained around 37°C (98.6°F) under normal conditions.