ecimal places.) u = i + 4j + 8k rad rad

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter5: Similar Triangles
Section5.CT: Test
Problem 4CT
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Question
2
Find the direction cosines and angles of u and show that cos a + cos² B + cos² y = 1. (Round your answers for the angles to
four decimal places.)
%3D
u = i + 4j + 8k
rad
COS a =
cos B =
rad
%3D
cos Y =
rad
%3D
22
11
Transcribed Image Text:2 Find the direction cosines and angles of u and show that cos a + cos² B + cos² y = 1. (Round your answers for the angles to four decimal places.) %3D u = i + 4j + 8k rad COS a = cos B = rad %3D cos Y = rad %3D 22 11
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