Original sentence: Because these waves are equatorial, the Coriolis parameter vanishes at 0 degrees; therefore, it is necessary to use the equatorial Beta plane approximation that states: ::, where "β" is the variation of the Coriolis parameter with latitude
Edited sentence: Because these waves are equatorial, the Coriolis parameter vanishes at 0 degrees; therefore, it is necessary to use the equatorial Beta plane approximation that states:.where β is the variation of the Coriolis parameter with latitude