Question

the least positive angle coterminal with 5Pi/2

Answer 1

do you know what coterminal means?

Answer 2

Two angles drawn in standard position and have a common terminal side

Answer 3

good, so now try and draw where \(5\pi/2\) would appear

Answer 4

you can use do this by clicking on the blue Draw button at the bottom

Answer 5

Why reinvent the wheel. There is a very nice visual aid at:

http://www.mathopenref.com/coterminal.html