Remote Desktop has some really handy shortcuts that are documented.

Shortcut key

Description

ALT+PAGE UP

Switches between programs from left to right.

ALT+PAGE DOWN

Switches between programs from right to left.

ALT+INSERT

Cycles through the programs in the order they were started.

ALT+HOME

Displays the Start menu.

CTRL+ALT+BREAK

Switches the client between a window and full screen.

CTRL+ALT+END

Brings up the Windows Security dialog box.

ALT+DELETE

Displays the Windows menu.

CTRL+ALT+Minus (-) symbol on the numeric keypad

Places a snapshot of the active window, within the client, on the Terminal server clipboard (provides the same functionality as pressing PrintScrn on a local computer.)

CTRL+ALT+Plus (+) symbol on the numeric keypad

Places a snapshot of the entire client window area on the Terminal server clipboard (provides the same functionality as pressing ALT+PrintScrn on a local computer.)