Question
If $ \vec{a} $ and $ \vec{b} $ are unit vectors and $ |\vec{a} + \vec{b}| = 1 $, then $ |\vec{a} - \vec{b}| $ is equal to:
If $ \vec{a} $ and $ \vec{b} $ are unit vectors and $ |\vec{a} + \vec{b}| = 1 $, then $ |\vec{a} - \vec{b}| $ is equal to: