Use a Calculator to Find the Function Value $\sec 21 ^ { \circ } 19 ^ { \prime }$

question 250

Multiple Choice

Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
- $\sec 21 ^ { \circ } 19 ^ { \prime }$

• A) \(2.1478776\)
• B) \(1.0734388\)
• C) \(2.1468776\)
• D) \(1.0724388\)

---

Definitions:

Gear-select Ball Screws

A component in some vehicle gearboxes that uses a rotary motion to move gears into place smoothly and precisely.

Gear-select Motors

Electric motors in an automated or semi-automated transmission that engage and disengage gears based on driver input or computer control.

Single-module Controller

An electronic device that consolidates the control functions of multiple systems into a single unit.

J1939 Data Bus

A specialized data bus standard used in heavy-duty vehicles and industrial equipment to facilitate communication between the vehicle's components and external devices.