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Use the Fundamental Identities to Simplify the Expression sin⁡260∘cos⁡20∘−cos⁡260∘sin⁡20∘\sin 260 ^ { \circ } \cos 20 ^ { \circ } - \cos 260 ^ { \circ } \sin 20 ^ { \circ }

Question 260

Multiple Choice

Use the fundamental identities to simplify the expression.
- sin⁡260∘cos⁡20∘−cos⁡260∘sin⁡20∘\sin 260 ^ { \circ } \cos 20 ^ { \circ } - \cos 260 ^ { \circ } \sin 20 ^ { \circ }


A) −133- \frac { 13 } { 3 }
B) −32- \frac { \sqrt { 3 } } { 2 }
C) 32\frac { \sqrt { 3 } } { 2 }
D) −12- \frac { 1 } { 2 }

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