Use the Cofunction Identities to Evaluate the Expression Below Without $\cos ^ { 2 } 50 ^ { \circ } + \cos ^ { 2 } 58 ^ { \circ } + \cos ^ { 2 } 40 ^ { \circ } + \cos ^ { 2 } 32 ^ { \circ }$

question 5

Multiple Choice

Use the cofunction identities to evaluate the expression below without the aid of a calculator. $\cos ^ { 2 } 50 ^ { \circ } + \cos ^ { 2 } 58 ^ { \circ } + \cos ^ { 2 } 40 ^ { \circ } + \cos ^ { 2 } 32 ^ { \circ }$

• A) 1
• B) 2
• C) \(- 1\)
• D) 0
• E) \(\frac { 1 } { 2 }\)

---

Definitions:

AFL

The American Federation of Labor, a historic federation of labor unions in the United States, known for its influence on the labor movement from the late 19th century through the mid-20th century.

Private Detectives

Professionals hired to conduct investigations, often for private individuals or businesses, to gather information and evidence.

Welfare Capitalism

An economic system that combines a mostly market-based economy with extensive social welfare programs.

Paternalistic Nature

An approach or attitude in management in which an entity controls the needs of people in a manner similar to a father's relationship with his children, often by providing for them without giving them rights or responsibilities.