Question: Consider the cone 2'2 = m2 y2 and the sphere :52 + y2 + Z2 = 18. They intersect at the point (3, 3, 0),

Consider the cone 2'2 = m2 y2 and the sphere :52 + y2 + Z2 = 18. They intersect at the point (3, 3, 0), among others. Find the angle (or the cosine of the angle) between these surfaces at the point (3, 3, 0). Hint: the angle between two surfaces is the same as the angle between their normal lines

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