Let 
. Find the equation of the line tangent to the graph of 
at the point when 
. Write your answer using parametric equations.
Definitions:
ABS Control ECU
The electronic control unit for the Anti-lock Braking System, managing the operation of brakes to prevent locking during heavy braking.
OEM Code Chart
A reference chart provided by Original Equipment Manufacturers that lists codes specific to their products for identification, troubleshooting, or programming purposes.
Modulation Frequencies
The range of frequencies over which a signal can be varied or modulated to transmit information.
Pneumatic Brake Systems
Brake systems that utilize compressed air to generate the force applied to the brake pads or shoes, common in heavy-duty vehicles.
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