Question

if |Ā|=3units, |B|=4units and the angle between vectors Ā and B is 90°, then magnitude and direction of resultant R with vector Ā are
a) R=25 units and tan=4/3
b) R=5 units and tan=4/3
c) R=25 units and tan=3/4
d) R=5 units and tan=3/4​

Answer 1

Answer:

the answer is option b R = 25 and tan = 4/3