T9nemshmisston coe d aectena nbemi is aione v,a her 7- 4 22 a= wd v, igk + ftjh b aia v. 7 16e (vs-e)da awid e pmty

These both are transmission coefficient for rectangular barrier in different cases.\nlook at the eqn 4.46 and 4.68 of the attachment. I hope you will understand clearly.