Function triALArLL

triALArLL(
    a1: number,
    l12: number,
    a2: number,
    checkLevel?: ECheck,
): [number, number, string]
Calculate the two last lengths and one anmgle of a triangle from the first length and two angles
Parameters
- a1: number
  the first angle of the triangle in radian
- l12: number
  the length between the angles a1 and a2 in radian
- a2: number
  the second angle of the triangle in radian
- checkLevel: ECheck = ECheck.eError
  the level of check
Returns [number, number, string]
the two lengths of the triangle : l23, l31 + string-fot-log
- Defined in index.ts:209