Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Modulus and Direction cosines of a space vector

Author:Krishna Bahadur Bista
Topic:Cosine

Modulus of a space vector

Definition: Let be any three dimensional vector. Then its absolute value or modulus is given by OP = = (x2 +y2 +z2 ) as shown in the figure.

New Resources

  • What Do You See?
  • Pythagorean Theorem: Quick Illustrator
  • Right Triangle Inscribed in a Semicircle
  • Quadrant Illustrator
  • Function art 3D - waiting shed

Discover Resources

  • Another Applet Involving Multi-Stage Animation
  • Incenter and Circumcenter
  • Parâmetros Função Exponencial
  • Dodecahedron segments
  • Translations by Mr Hunte

Discover Topics

  • Line Segment
  • Linear Regression
  • Step Functions
  • Rhombus
  • Rectangle
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®