Use the Addition Formulas for Sine and Cosine to Simplify $$\sin 54 ^ { \circ } \cos 24 ^ { \circ } - \cos 54 ^ { \circ } \sin 24 ^ { \circ }$$

question 25

Multiple Choice

Use the addition formulas for sine and cosine to simplify the expression. $$\sin 54 ^ { \circ } \cos 24 ^ { \circ } - \cos 54 ^ { \circ } \sin 24 ^ { \circ }$$

• A) \(\frac { \sqrt { 2 } } { 2 }\)
• B) 1/2
• C) 0
• D) 1
• E) \(\frac { \sqrt { 3 } } { 2 }\)

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Definitions:

Bystander Effect

A social psychological phenomenon where people are less likely to offer help to a victim when other people are present.

Social Trap

A situation where individuals or groups are unable to cooperate, resulting in negative outcomes for all involved due to conflicting interests.

Collective Bad

A situation or outcome that is detrimental to the well-being or interests of a group as a whole, often arising from individual actions that do not consider the collective good.

Individual Good

Benefits or positive outcomes focused on the well-being or interests of a single person.