Question

Given that A=B=C. If Ā+B=C, then the angle between A and C is theta1 . If A+B+C =0, then the angle between
A and C is theta2. The relation between theta1 and theta2 is
1)theta1= theta 2

2)theta1=theta2
———
2
3) theta1=2theta2

4) theta2= theta1​

Answer 1

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