Tango paid seat selection is only available when booking directly at aircanada.com/agents. All passengers including those booked on Tango fares can use web check-in and select their seat up to 12 hours before departure. Click here for more information on Air Canada s web check-in.ango paid seat selection is only available when booking directly at aircanada.com/agents. All passengers including those booked on Tango fares can use web check-in and select their seat up to 12 hours before departure. Click here for more information on Air Canada s web check-in.
Definitions for ReciprocalrÉªËsÉªp rÉ kÉl. reciprocal(noun) something (a term or expression or concept) that has a reciprocal relation to something else. risk is the reciprocal of safety. multiplicative inverse, reciprocal(noun)
1 the reciprocal of the arithmetic mean of the reciprocals of a set of specified numbers: the harmonic mean of 2, 3, and 4 is 3(1â2 + 1â3 + 1â4)â1 = 36â13.