# Differential Geometry Archive

## Equation of osculating plane

May 19, 2020
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1.Equation of osculating plane- Equation of osculating plane, before we know it, let us know about the osculating plane and the normal line and the normal plane. Also learn about infexional tangents. (1.) Infexional Tangent- Definition:A straight line which meets the surface S in three coincident points i.e.,it has a second order point of contact

## Direction cosines tangent principal normal binormal

April 21, 2019
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स्पर्शरेखा मुख्य अभिलम्ब उपाभिलम्ब की दिक्कोसाइन का परिचय (Introduction to Direction cosines tangent principal normal binormal),स्पर्शरेखा मुख्य अभिलम्ब और उपाभिलम्ब की दिक्कोसाइन का परिचय (Introduction to Direction cosines of the tangent principal normal and binormal): स्पर्शरेखा मुख्य अभिलम्ब उपाभिलम्ब की दिक्कोसाइन (Direction cosines tangent principal normal binormal) के इस आर्टिकल में प्रश्न के हल द्वारा

## Change Independent Variable

March 27, 2019
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Change Independent Variable Change Independent Variable:Sometimes it is required,specially in the solution of differential equations,to change the Independent variable either into the dependent variable or into another variable with which it is connected by given relation e. g. if y be a function of x, it may be desired to change If you find this