If the vectors `3 vec p+ vec q ;5p-3 vec qa n d2 vec p+ vec q ;4 vec p-2 vec q` are pairs of mutually perpendicular vectors, then find the angle between vectors ` vec pa n d vec qdot`

If the vectors 3vec p+vec q;5vec p-3vec q and 2vec p+vec q;4vec p-2vec q are pairs of mutually perpendicular then sin(vec p^^vec q) is:

Two vectors vec P and vec Q

If vec a,vec b, and vec c are mutually perpendicular vectors of equal magnitudes,then find the angle between vectors vec a and vec a+vec b+vec c

If vec p xxvec q=vec r and vec p*vec q=c, then vec q is

For three vectors vec p,vec q and vec r if vec r=3vec p+4vec q and 2vec r=vec p-3vec q then

If |vec P xx vec Q|=PQ then the angle between vec P and vec Q is

What is the anlge between vec P xx vec Q and vec Q xx vec P is

If the two adjacent sides of two rectangles are represented by vectors vec p=5 vec a-3 vec b ; vec q=- vec a-2 vec ba n d vec r=-4 vec a- vec b ; vec s=- vec a+ vec b , respectively, then the angel between the vector vec x=1/3( vec p+ vec r+ vec s)a n d vec y=1/5( vec r+ vec s) is a.cos^(-1)((19)/(5sqrt(43))) b. cos^(-1)((19)/(5sqrt(43))) c. picos^(-1)((19)/(5sqrt(43))) d. cannot be evaluate

If vec r=3vec p+4vec q and 2vec r=vec p-3vec q then

If vec P xx vec Q= vec R, vec Q xx vec R= vec P and vec R xx vec P = vec Q then