Use a Calculator to Find the Function Value $85.97 \mathrm { mph }$

question 241

Multiple Choice

Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.
-Any offset between a stationary radar gun and a moving target creates a "cosine effect" that reduces the radar mileage reading by the cosine of the angle between the gun and the vehicle. That is, the radar speed
Reading is the product of the actual reading and the cosine of the angle. Find the radar reading to the
Nearest hundredth for the auto shown in the figure.

• A) \(85.97 \mathrm { mph }\)
• B) \(88.03 \mathrm { mph }\)
• C) \(23.03 \mathrm { mph }\)
• D) \(89.97 \mathrm { mph }\)

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