In right triangle DEF, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and EF=19. Find DE to the nearest tenth. You may use a calculator for this problem.
+37165 Tan D = opp/adj = EF / DE
Tan 25 = 19 / DE
DE = 19 / tan(25) = ....................
