Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 11, ? = 120°
A. - 
i + 
j
B. - 
i + 
j
C. 
i - 
j
D. 
i - 
j
Answer: A
Mathematics
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B. 
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What will be an ideal response?
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÷ 
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C. 
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