At what angle di the force (P+Q) and (P-Q)act so that the resultant is √3P square+Q square

At what angle di the force (P+Q) and (P-Q)act so that the resultant is

1.	At what angle di the force (P+Q) and (P-Q)act so that the resultant is √3P square+Q square
Answer» Answer : Angle will be 60oExplanation:According to the formula of\xa0\xa0and\xa0\xa0we can write it as following-\xa0[+2pq and -2pq will be cancel]Theta