Represent the vector in the form v = ai + bj whose magnitude and direction angle are given.
= 7; ? = 225°
A. v = - 
i - 
j
B. v = - 
i - 
j
C. v = 
i + 
j
D. v = - 
i - 
j
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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; 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
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