Calculate the unit vector u = (cos ?)i + (sin ?)j for the given direction angle.? = 
A. 
i - 
j
B. - 
i - 
j
C. - 
i + 
j
D. 
i + 
j
Answer: C
Mathematics
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A. No B. Yes
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Find the quotient.
÷ 
A. 
B. 24x2y
C. 
D. 
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What will be an ideal response?
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Fill in the blank(s) with the appropriate word(s).
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