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

  • Slope and Road Signs
  • z`]]
  • רישום חופשי
  • Slope Between 2 Points (Phase 2)
  • Rose Curve

Discover Resources

  • Polynomial Factors
  • Straight Lines Crossed by a Transversal
  • Congruent Segment Construction

Discover Topics

  • Cube
  • Constructions
  • Hypothesis Testing
  • Circle
  • Similar Triangles
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®