A vector 3i + 4j rotates about its tail through an angle 37° in anticlockwise direction then the new vector is

A vector 3i + 4j rotates about its tail through an angle 37° in antic

1.	A vector 3i + 4j rotates about its tail through an angle 37° in anticlockwise direction then the new vector is
Answer» `-3 hat(i) + 4 hat(j)` `3 hat(i) - 4 hat(j)` `5 hat(j)` `5 hat(i)` ANSWER :C