17167. The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) September 13, 2025 by Admin sin φ + sin α = cos φ – sin α = cot φ – cot α = tan φ + cot α = ✅ The correct answer is option C.