What is the angle between P and the cross product of `(P+Q)and (P-Q)`?

What is the angle between P and Q the cross product of (P+Q)and (P-Q) ?

What is the resistance between P and Q ?

What is the angle between vec P and the resultant of (vec P+vec Q) and (vec P-vec Q)

What is the angle between vec(P) and the resultant of (vec(P)+vec(Q)) and (vec(P)-vec(Q)) ?

What is the angle between vec(P) and the resultant of (vec(P)+vec(Q)) and (vec(P)-vec(Q)) ?

The angles between P+Q and P-Q will be

The angles between P+Q and P-Q will be

The angle between vecP and the resultant of ( vec P + vec Q) and ( vec P - vec Q) is

The resultant of two forces P and Q makes an angle of 30^(@) with P. What is the angle between P and Q, if the magnitude of the resultant is equal to Q sqrt(3) ?