HCU MCA 2017 Paper

© examsiri.com
Question : 43 of 75
 
Marks: +1, -0
Consider the following statements :
S : cos(A) + cos(B) + cos(C) = 0
T : sin (A) + sin (B) + sin (C) = 0
If
Cos (B - C) + cos (C - A) + cos (A - B) = −32
Then
Go to Question: