Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 13, ? = 
A. 
i + 
j
B. - 
i - 
j
C. 
i + 
j
D. i + 
j
Answer: C
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Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. simplest form