AP and TS EAMCET Engineering Model Paper 3
© examsiri.com
Question : 18 of 160
Marks:
+1,
-0
If cos α + cos β + cos γ = 0 = sin α + sin β + sin γ cos ( 2 α − β − γ ) + cos ( 2 β − γ − α ) + cos ( 2 γ − α − β ) = . . . . .
Go to Question: