Find the Exact Value of the Expression $- 1$ B) $\frac { \sqrt { 2 } } { 2 }$

question 126

Multiple Choice

Find the exact value of the expression.
-sec (-1215°)

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

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