Find the Exact Value of the Given Expression Using a Sum

question 244

Multiple Choice

Find the exact value of the given expression using a sum or difference formula. $\sin 285 ^ { \circ }$

• A) \(\frac { \sqrt { 3 } - 1 } { 2 \sqrt { 2 } }\)
• B) \(\frac { \sqrt { 3 } + 1 } { 2 \sqrt { 2 } }\)
• C) \(\frac { - \sqrt { 3 } - 1 } { 2 \sqrt { 2 } }\)
• D) \(\frac { - \sqrt { 3 } + 1 } { 2 \sqrt { 2 } }\)

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