Test Index
CBSE Class 12 Math 2022 (Term II) Delhi Set 1 Solved Paper
© examsnet.com
Question : 5 of 14
Marks:
+1,
-0
If a line makes an angle α , β , γ with the coordinate axes, then find the value of cos 2 α + cos 2 β + cos 2 γ
Go to Question: