VectorHard
Question
If angle between two unit vectors
and
is θ then sin (θ/2) is equal to-
Options
A.2|
−
|
B.
|
−
|
C.
|
+
|
D.2|
+
|
More Vector Questions
If = (1, 1 − 1), = (1, − 1, 1), then a unit vector which is perpendicular to and coplanar with and is given ...Four points with position vectors , , , are coplanar if -...If where and are any three vectors such that . ≠ 0, . ≠ 0 then and are...If the position vector of points A and B with respect to point P are respectively and then the position vector of middle...If | × | = |.| then angle between and is -...