-- The animation with all associated texts.
Vector A has a length of 3.76 cm and is at an angle of 34.5 degrees above the positive x-direction. Vector B has a length of 4.53 cm and is at an angle of 34.1 degrees above the negative x-direction. (+x is to the right; +y is up) You can move the vectors A and B around. You can move the black vector around and change its length and orientation.