Two vectors, r→ and s→ lie in the xy plane. Their magnitudes are 3.01 and 6.72 units, respectively, and their directions are 332∘ and 48.0∘, respectively, as measured counterclockwise from the positive x axis. What are the values of (a) r→⋅s→ and (b) |r→×s→|? (a) Number Units (b) Number Units