"displayed determination" is correct and usable in written English.
You can use it when referring to someone who is showing or demonstrating their determination. For example, "Her displayed determination to succeed inspired the team."
It is hardly the first time Sullivan has displayed determination battling pain.
The promising 17-year-old from Stockport displayed determination, tenacity and skill in seeing off his opponent 6-4, 7-5 on a packed Court 19.
Marcus Camby displayed determination after missing the second of two free throws; he grabbed the offensive rebound, hit a soft bank shot while being fouled and made another free throw to complete a 4-point play.
"Against this malicious intention, leading world powers need to display determination and not weakness.
But the Giants never displayed any determination.
Although he went hitless against Johnson, Wright displayed a determination and talent indicating a bright future, Mets Manager Art Howe said.
Although he displayed great determination in these crises, his curious timidity limited his effectiveness at other times.
In devoting the first third of his address to the economy and domestic issues, he displayed a determination not to be seen as overly absorbed by those crises or inattentive to domestic problems.
B1 SCIENCE TIMES F1-10 Health & Fitness F5 FASHION B9 ARTS E1-8 OBITUARIES C15 SPORTSTUESDAY D1-7 Huskies Win N.C.A.A. Title The University of Connecticut basketball team displayed heart, determination and dominance in defeating Georgia Tech, 82-73, to win its second N.C.A.A. national championship.
Both Mr Endo and Mr Vaught, who have shared numerous industry awards in recognition of their accomplishments, displayed dogged determination and belief in their inventions, despite much internal resistance.
When five foreigners working for General Electric, an American firm, were killed by a car-bomb, the new prime minister, Ayad Allawi (pictured above), displayed his determination to fight the insurgents by parading his five top security officials before the press.
