If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Options
(a) 180ﾟ
(b) 90ﾟ
(c) 45ﾟ
(d) 0ﾟ
Correct Answer:
90ﾟ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
(a) 180ﾟ
(b) 90ﾟ
(c) 45ﾟ
(d) 0ﾟ
90ﾟ
No explanation available. Be the first to write the explanation for this question by commenting below.
View Comments (1)
a.b=|a||b|cos(x)
(4,4,-4) (3,1,4) = 4x3+4x1+(-4)x4
= 12+4-16
=0