Using the template below, you can find out the value of the dot product between u and v.[br]- Adjust the slider for "Rotate u" and "Rotate v" to change the angle that both vectors u and v makes with the positive x - axis.[br]- Adjust the sliders for "Scale u" and "Scale v" if you would like to change the length of vectors u or v.[br][br]By making the necessary adjustments to the sliders, the angle between u and v would be shown in the diagram below.