When an automobile travels uphill or downhill on a highway, it experiences a force due to gravity. This force in pounds is called grade resistance and is modeled by the following equation, where 0 is the grade and W is the weight of the automobile. F = Wsin 0 A 2940 lb car traveling downhill has a grade resistance of -230 lb. What is the angle of the grade? 0= (Type your answer in degrees. Round to the nearest hundredth as needed.) C

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