Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

If #A = <4 ,2 ,-5 >#, #B = <-8 ,4 ,9 ># and #C=A-B#, what is the angle between A and C?

1 Answer

A. S. Adikesavan

Feb 23, 2016

arc cos (19 / #sqrt#430) = 23.6 deg, nearly.

Explanation:

C = <12, #-#2, #-#14>.
The angle between A and C is
arc cos (A.C/(product of the lengths of A and C))

Related questions

How do you write the components of vectors?
How can vectors be represented?
What does the i and j stand for in vectors?
If #\vec{g}# is in standard position with terminal point (5, 5) and #\vec{h}# is in standard...
If #\vec{i}# is in standard position with terminal point (1, 5) and #\vec{j}# is in standard...
How do you find the coordinates of vector PQ in standard position given Points P( 4,5) and Q (-7,3)?
Using (-3, -2) as the initial point, how do you draw the vector that represents the complex...
Using (-3, -2) as the initial point, how do you draw the vector that represents the complex number #8#?
How do you give the complex number form of the vector with the given initial and terminal point...
How do you give the complex number form of the vector with the given initial and terminal point...

See all questions in Vectors

Impact of this question

1153 views around the world

You can reuse this answer
Creative Commons License