Solved

Find the Exact Value of the Expression $\sec 150 ^ { \circ }$

Question 258

Multiple Choice

Find the exact value of the expression.
- $\sec 150 ^ { \circ }$

A) $\frac { 2 \sqrt { 3 } } { 3 }$
B) $- \sqrt { 2 }$
C) $\sqrt { 2 }$
D) $- \frac { 2 \sqrt { 3 } } { 3 }$

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