Use a Sum or Difference Identity to Find the Exact $\sin 255 ^ { \circ }$

question 53

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\sin 255 ^ { \circ }$

• A) \(\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• B) \(\frac { - \sqrt { 6 } - \sqrt { 2 } } { 4 }\)
• C) \(\frac { - \sqrt { 6 } + \sqrt { 2 } } { 4 }\)
• D) \(\frac { \sqrt { 6 } + \sqrt { 2 } } { 4 }\)

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