# What is normal plane in differential geometry?

## What is normal plane in differential geometry?

A normal plane is any plane containing the normal vector of a surface at a particular point. The normal plane also refers to the plane that is perpendicular to the tangent vector of a space curve; (this plane also contains the normal vector) see Frenet–Serret formulas.

## How do you find the normal and osculating plane?

A normal vector to the osculating plane is r (π) × r (π). or 2x − 5z = −3π. 4. Find the unit tangent, the unit normal, and the binormal vectors T, N and B to the curve r(t) = 〈sin 2t,cos 2t,3t2〉 at t = π.

## What is a rectifying plane?

[′rek·tə‚fī·iŋ ‚plān] (mathematics) The plane that contains the tangent and binormal to a curve at a given point on the curve.

## What is a normal in a plane?

In geometry, a normal is an object such as a line, ray, or vector that is perpendicular to a given object. For example, the normal line to a plane curve at a given point is the (infinite) line perpendicular to the tangent line to the curve at the point.

## Can a normal equation be given to an osculating plane?

The osculating plane of is perpendicular to . Also recall from the Equations of Planes in Three Dimensional Space page that the equation of a plane can be given by a vector that is normal to the plane and a point on the plane as . Let’s now look at some examples of finding normal, rectifying, and osculating planes.

## Which is the limiting point of the osculating plane?

(1.) The osculating plane at a point P of a curve C of class greater than or equal to two is the limiting and a neighbouring point Q on the curve C as Q (2.)

## When does the osculating plane become an indefinite plane?

If all three coefficients of $X,Y,Z$ in the equation of the osculating plane vanish, then the osculating plane becomes indefinite (and can coincide with any plane through the tangent line). R.S. Millman, G.D. Parker, “Elements of differential geometry” , Prentice-Hall (1977) pp. 31–35

## How to calculate the osculating plane of a curve?

To show that when the curve is analytic,there exists a definite osculating plane at a point of inflexion, provided the curve is not a straight line. r’.r\\prime\\prime=0 r′.r′′ = 0 ………..