Vector calculus find the angle between the normal's to the surfaces

In this video explaining vector calculus examples. In the example surface is given and require angle between the normal's to the surface. In vector calculus finding the angle between the normals to two surfaces is a common problem. The normal to a surface at a point is a vector that is perpendicular to the tangent plane at that point. If we have two surfaces we can find the normal vectors at a point on each surface and then find the angle between them.

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18MAT21 MODULE 1:Vector Calculus

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