OK, assuming that you have a data source [tblAngle] that contains the values needed to determine your angle [Side1] and [Side2], a query might look something like:
SELECT
Cos([Side1]/[Side2])-1
AS InvCos,
Sin([Side1]/[Side2])-1
AS InvSin,
Tan([Side1]/[Side2])-1
AS InvTan
FROM...