(Employers may not begin the Form I-9 process until an individual accepts an offer of employment.) Forms I-9 must be kept for three years after the date of hire or one year after the date of the employee's termination, whichever is later.
Sine qua non (/ËsaÉªni kweÉª ËnÉn/; Latin: [Ësine kwaË ËnoËn]) or conditio sine qua non (plural: conditiones sine quibus non) is an indispensable and essential action, condition, or ingredient.
Sine Rule (The Law of Sine) The Sine Rule is used in the following cases: CASE 1: Given two angles and one side (AAS or ASA) CASE 2: Given two sides and a non-included angle (SSA) The Sine Rule states that the sides of a triangle are proportional to the sines of the opposite angles. Case 2: SSA or The Ambiguous Case. In this case, there may be two triangles, one triangle, or no triangle with the given properties. For this reason, it is sometimes called the ambiguous case.