angles 8l a nor Zero veC a) Show that 0?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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![The direction angles of a nonzero vector a = (a1,a2,a3) are the angles a,ß, and y.
a) Show that
cos a² + cos ß² + cos y² = 1
b) If a vector has direction angles a =", and B =, find the third direction angle y.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe6f166f0-dc85-4045-ae8e-f705c9fa6fd0%2F7c712771-dfce-4853-be33-e7cd1385962e%2F61ul6hr_processed.png&w=3840&q=75)
Transcribed Image Text:The direction angles of a nonzero vector a = (a1,a2,a3) are the angles a,ß, and y.
a) Show that
cos a² + cos ß² + cos y² = 1
b) If a vector has direction angles a =", and B =, find the third direction angle y.
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