reverse angle
/rɪˌvəːs ˈaŋɡl/noun
1 Squash. The side wall opposite the server; a shot struck at this wall so that it rebounds directly to the front wall without touching the floor.
2 Film and Television. The opposite angle from which the subject was seen in the preceding shot; a shot filmed from this angle.
Origin
1920s; earliest use found in The Times. From reverse + angle.