Sancho arrived at Old Trafford from Borussia Dortmund for a fee of £73 million ($ninety five million) in July following a long pursuit by using United however struggled to make an impact below Ole Gunnar Solskjaer.
The England forward, who did not rating a aim till November, has been a regular starter below Rangnick, who took over the reins at Old Trafford after Solskjaer was sacked in the same month.
The 21-12 months-antique produced some other magnificent overall performance as United beat Tottenham 3-2 on Saturday, imparting the help for the second one goal of Cristiano Ronaldo's hat-trick.
"They paid pretty a few kilos for him if you want to trap him away from Borussia Dortmund and in case you pay that amount of money in a transfer rate for a player he must perform on this kind of stage," stated the German.
"At the stop, they are all human beings. The mere truth he price a number of cash does not imply that he's playing at that level first of all.
"He told me that of direction it become a hassle for him to get adjusted to the intensity of the league, to the physicality of the league. Now he has controlled to do this. I'm glad to look him play at that form of level proper now."
Rangnick stated the winger "is now getting in the direction of the Jadon Sancho I've acknowledged from Germany", including "ultimately it's all about confidence".
"When I came here it turned into clear we had to strive everything to help him to get the excellent version of himself," the meantime boss added.
Despite their win against Spurs, United face a hard task to qualify for the pinnacle 4, which guarantees access into subsequent season's Champions League. They are one factor at the back of fourth-placed Arsenal, who have three fits in hand.
