Use Sum and Difference Formulas for Cosines and Sines
- $\sin 195 ^ { \circ } \cos 75 ^ { \circ } - \cos 195 ^ { \circ } \sin 75 ^ { \circ }$

question 82

Multiple Choice

Use Sum and Difference Formulas for Cosines and Sines
- $\sin 195 ^ { \circ } \cos 75 ^ { \circ } - \cos 195 ^ { \circ } \sin 75 ^ { \circ }$

• A) \(\frac { \sqrt { 3 } } { 2 }\)
• B) \(- \frac { 1 } { 2 }\)
• C) \(\frac { 13 } { 4 }\)
• D) \(- \frac { \sqrt { 3 } } { 2 }\)

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An annual charge imposed by the US federal government on the income of individuals, businesses, trusts, and various legal organizations.

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