Use the Fundamental Identities to Simplify the Expression

question 275

Multiple Choice

Use the fundamental identities to simplify the expression.
-8 sin 57° cos 101°

• A)8[cos 158° + cos(-44°)]
• B)4[cos 158° + cos(-44°)]
• C)4[sin 158° + sin(-44°)]
• D)4[sin 158° - sin(-44°)]

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