Tries from Finn Russell, Matt Scott, Tim Visser and Tommy Seymour helped the Scots secure a routine victory at Murrayfield, as they ended the tournament with three victories for the first time in more than a decade.
Cotter, who will now vacate his position to take over as Montpellier coach from next season, was pleased to see his three-year tenure end in winning fashion and revealed his delight at the emotional farewell he received from the supporters at Murrayfield
“It was nice. I had my whole family here. It’s been an honour and a privilege,” he said. “It’s very nice to finish with a win in Murrayfield. [The send-off] is something that will stay with me.
"I had my daughter with me as well. It’s just been really nice. It’s been great to be able to work with good people. I was a supporter before I came here. I’ll be a supporter again but with some emotional attachment.”
The 55-year-old won 19 of his 36 matches as Scotland coach, guiding the team to the quarter-finals of the World Cup in 2015, while this year's Six Nations campaign has been one of their most successful in recent times.