Question

If A= 5i+3j and B 2i+4j the direction of the resultant vector of their qddition is
1. 90
2. 45
3. 60
4. 120explain the answer is 45 degree​

Answer 1

Answer:

45°

Explanation:

A+B= 7i +7j

angle made by A+B with x axis is

tan@= (A+B)y/ (A+B)x = 7/7= 1

@= 45°