Multiply;then Use Fundamental Identities to Simplify the Expression Below and Determine

question 23

Multiple Choice

Multiply;then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.​ $( \cot x + 1 ) ^ { 2 }$

• A)​ \(\cot ^ { 2 } x + 1\)
• B)​ \(\cot ^ { 2 } x + 2 \cot x\)
• C)​ \(\cot ^ { 2 } x + 2 \cot x + 1\)
• D)​ \(\csc ^ { 2 } x ( 1 + 2 \sin x \cos x )\)
• E)​ \(\frac { 1 + 2 \sin x \cos x } { \sin ^ { 2 } x }\)

---

Definitions:

Realistic Choice Stage

A phase in career development where individuals evaluate and narrow down career options based on personal and external realities.

Career Development

The process of managing one's work experience, learning, and skills over the course of a lifetime to advance professionally.

Donald Super

A psychologist known for his theories on career development, emphasizing the importance of self-concept in occupational choice and satisfaction.

Donald Super

A psychologist renowned for his development of the "Life-Span, Life-Space" theory, which regards career development as a lifelong process.