Use a Calculator to Find the Value of the Expression $\sec ^ { - 1 } \left( - \frac { 5 } { 4 } \right)$

question 240

Multiple Choice

Use a calculator to find the value of the expression in radian measure rounded to two decimal places.
- $\sec ^ { - 1 } \left( - \frac { 5 } { 4 } \right)$

• A) 143.13
• B) -0.93
• C) 2.50
• D) -53.13

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