[" If "187" and two unit weror ond ois "],[" the ongle between them tho wo lhat "],[sin(2)/(2)=(1)/(2)|8-61]

If veca,vecb are unit vectors and theta is the angle between them, show that sin""(theta)/(2)=(1)/(2)|veca-vecb|

If hata and hatb are unit vectors and theta is the angle between them show that sin (theta/2)= 1/2 |hata-hatb|

If vec(a) and vec(b) are unit vectors and theta is the angle between them, then what is sin^(2)((theta)/(2)) equal to?

If veca,vecb are unit vectors and theta is the angle between them, show that cos""(theta)/(2)=(1)/(2)|veca+vecb|

If vec a and vec b are two unit vectors and theta be the angle between them,then sin((theta)/(2))=

If vec a and vec b are unit vectors and theta is the angle between them, show that (sin theta/2=1/2|vec a - vec b | .

If veca,vecb are unit vectors and theta be the angle between them show tat sin((theta)/(2)) = 1/2 |veca-vecb|