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#1 2011-11-25 02:08:42

juantheron
Member
Registered: 2011-10-19
Posts: 312

vector

The vector

bisects the angle between the vectors
and
.

determine a unit vector along

.

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#2 2013-04-13 07:58:45

Nehushtan
Member
From: London
Registered: 2013-03-09
Posts: 613
Website

Re: vector

Let the angle between
and
be
. Taking the dot product gives

Then the angle between

and
is
and taking the dot product gives

Thus you can take any x, y satisfying the last equation and z such that

– for example,
,
,
.


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