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The cross product of two vectors (X and Y) is a negative vector when the angle between them is: A. 0 B. 90 C. 180 D. 270
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29 votes
29 votes
The cross product of two vectors (X and Y) is a negative vector when the angle between them is:

A. 0
B. 90
C. 180
D. 270

User Gwnp
by
2.9k points

2 Answers

25 votes
25 votes

Answer:

Step-by-step explanation:

The cross product:

[ a × b ] = | a | · | b | · sin α

sin α < 0 if α ∈ (180°, 360°)

Answer:

D. 270°

User Mike Dalrymple
by
3.1k points
11 votes
11 votes

Answer:

C. 180

Step-by-step explanation:

User Ielyamani
by
2.6k points
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