GRINGS - Geometria Analítica - Produto Vetorial - Aula 7

In this video lesson: What is a cross product and how to calculate it. Geometric interpretation and characteristics of the cross product. SUBSCRIBE to the Channel: https://www.youtube.com/user/Omatemat... WEBSITE: http://www.omatematico.com/ DVD Lessons: http://www.lojaomatematico.com.br/ FANPAGE:   / omatematicocom   INSTAGRAM:   / prof.grings   TWITTER:   / omatematicocom   Want to help maintain my video lesson project? http://omatematico.com/contribua-e-aj... E-MAIL for contact: [email protected] STUDYING has never been so easy! CONTENTS: - Area of ​​a parallelogram and a triangle with a cross product How to find the direction in which the resulting vector of this product points at time (0:55) Illustration of a drawing better demonstrating the situation above at time (1:51) TECHNIQUE used to calculate the cross product at time (2:48) Performing determinants at time (6:09) Video lesson to review DETERMINANTS: http://bit.ly/1HmZIqi EXERCISE: Given vectors U and V, find a vector that is ORTHOGONAL to U and V. at time (9:15) EXERCISE: Given vectors U and V, find a vector that is orthogonal to U and V and UNITARY. at time (14:00) EXERCISE: Given vectors U and V, determine a vector that is orthogonal to U and V and has MODULUS = 4. at time (17:27)