Write the Expression as the Sine, Cosine, or Tangent of an Angle

question 293

Multiple Choice

Write the expression as the sine, cosine, or tangent of an angle.
- $\frac { \tan 5 x - \tan 4 y } { 1 + \tan 5 x \tan 4 y }$

• A) \(\tan ( 5 x - 4 y )\)
• B) \(\tan \left( \frac { 5 x - 4 y } { 2 } \right)\)
• C) \(\tan \left( \frac { 5 x + 4 y } { 2 } \right)\)
• D) \(\tan ( 5 x + 4 y )\)

---

Definitions:

Concrete Operations

A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events and objects.

Adolescence

The transition period from childhood to adulthood, extending from puberty to independence.

Menarche

The occurrence of the first menstrual cycle in female individuals, marking the onset of fertility.

Cognitive Development

Cognitive development involves the growth and change in intellectual/mental abilities such as thinking, reasoning, and problem-solving across the lifespan.