Find the Exact Value of the Expression $\cos 120 ^ { \circ } \tan 60 ^ { \circ }$

question 198

Multiple Choice

Find the exact value of the expression. Do not use a calculator.
- $\cos 120 ^ { \circ } \tan 60 ^ { \circ }$

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

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