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

  • Visualizing the Pythagorean Identity with Sine and Cosine
  • seo tool
  • Place Values
  • Line and Circle Practice
  • Prism Drawn in 2-Point Perspective

Discover Resources

  • A triangle inside a hexagon
  • Common Tangents to 2 Parabolas
  • Analyzing derivatives
  • Quádrica de equação Ax2+By2+Cz2=0

Discover Topics

  • Angles
  • Square
  • Upper and Lower Sum or Riemann Sum
  • Orthocenter
  • Sine
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

© 2025 GeoGebra®