Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = -2i + 5j,
w = 3i + j
A. v1 = - 
i - 
j, v2 = - 
i + 
j
B. v1 = - 
i - 
j, v2 = 
i + 
j
C. v1 = - 
i - 
j, v2 = - 
i + 
j
D. v1 = - 
i - 
j, v2 = - 
i + 
j
Answer: C
Mathematics
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Find sin ?.
A. 
B. 
C. 
D. 
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