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

  • רישום חופשי
  • Pathway to Proof: Triangle Angles
  • bewijs stelling van Pythagoras
  • Model sferyczny - sześcian-ośmiościan
  • Damped Trochoidal Curve

Discover Resources

  • Paige's Project
  • Pentagon
  • Circumcenter Task
  • Book Graph y-int Integer Slope
  • Fixed Point

Discover Topics

  • Piecewise Functions
  • Surface
  • General Quadrilateral
  • Equilateral Triangles
  • Translation
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®