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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