Use a sum or difference identity to find the exact value.
-$\sin 15 ^ { \circ }$
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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The Answer of Use a sum or difference identity to find the exact value.
-$\sin 15 ^ { \circ }$
A) $\frac { - \sqrt { 6 } + \sqrt { 2 } } { 4 }$
B) $\frac { \sqrt { 6 } + \sqrt { 2 } } { 4 }$
C) $\frac { \sqrt { 6 } - \sqrt { 2 } } { 4 }$
D) $\frac { - \sqrt { 6 } - \sqrt { 2 } } { 4 }$

Use a Sum or Difference Identity to Find the Exact sin⁡15∘\sin 15 ^ { \circ }sin15∘

Use a Sum or Difference Identity to Find the Exact $\sin 15 ^ { \circ }$