GR translation: why don’t you tell me the angle?

[Mike Jing]

V223.5-15, P225.36-226.5   Rain bats against the glass, lemon and
myrtle trees outside shake in the wind. Over croissants, strawberry
jam, real butter, real coffee, she has him running through the flight
profile in terms of wall temperature and Nusselt heart-transfer
coefficients, computing in his head from Reynolds numbers she flashes
him . . . equations of motion, damping, restoring moments . . .
methods of computing Brennschluss by IG and radio methods . . .
equations, transformations . . .
       “Now jet expansion angles. I’ll give you an altitude, you tell
me the angle.”
       “Katje, why don’t you tell me the angle?”

angle, n.2
 9. c. colloq. (orig. U.S.). A way of approaching a task; a modus
operandi, a method or scheme (sometimes with implication of dishonesty
or exploitation).

Is this the meaning of the word "angle" used by Slothrop?
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Pynchon-l / http://www.waste.org/mail/?list=pynchon-l