Solve Apps: Other Trigonometric Functions
-A Rotating Beacon Is Located $4 \mathrm { ft }$

Multiple Choice

Solve Apps: Other Trigonometric Functions
-A rotating beacon is located $4 \mathrm { ft }$ from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by $a = 4 | \sec 2 \pi t |$ , where $t$ is in seconds, find a when $t = 0.41$ seconds. Round your answer to the nearest hundredth.

A) $4.74$ feet
B) $14.34$ feet
C) $9.54$ feet
D) $- 4.74$ feet