Use a calculator to find the approximate value of the expression rounded to two decimal places.
-$\sec \frac { \pi } { 12 }$
A) $1.00$
B) $0.94$
C) $1.04$
D) $0.98$

Question

Quizplus · Accepted Answer

The secant of an angle is the reciprocal of the cosine of that angle. First, calculate the cosine of $\frac{\pi}{12}$ radians, then find the reciprocal of that value. Using a calculator, $\sec \frac{\pi}{12} \approx 1.04$.

Use a Calculator to Find the Approximate Value of the Expression