Consider the points on the vertices of a triangle given by A: (0,0,0), B: (1,2,3), and C: (0,3,0). (a) Use the scalar product to find the angle at vertex A in triangle ABC. (b) Use the cross product to find the area of triangle ABC.
Consider the points on the vertices of a triangle given by A: (0,0,0), B: (1,2,3), and C: (0,3,0). (a) Use the scalar product to find the angle at vertex A in triangle ABC. (b) Use the cross product to find the area of triangle ABC.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 31E
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