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**1. Show that the angle between two position vectors is equal to the angle between two instantaneous velocity vectors eg. v**

_{1}and v_{2}when v_{1}and v_{2}are conncected tail to tail in a uniform circle. No angles are given, it is just general.**2. Has to be proven without calculus. No information is given other than the fact that the circle is uniform and therefore the speed is constant.**

**3. I didn't attempt the question because I'm not exactly sure how to go by proving that the angles are equal.**