UPSC 2017 CDS I Math Paper
© examsiri.com
Question : 62 of 100
Marks:
+1,
-0
If c o s θ 1 + c o s θ 2 + c o s θ 3 = 3 , s i n θ 1 + s i n θ 2 + s i n θ 3
[2017 CDS-I]
Go to Question: