VITEEE 2009 Paper
© examsiri.com
Question : 108 of 120
Marks:
+1,
-0
If a line in the space makes angle α, β and γ with the coordinates axis, then
cos 2 α + cos 2 β + cos 2 γ + sin 2 α + sin 2 β + sin 2 γ equals
Go to Question: