Tuesday

May 3, 2016
Posted by **Anonymous** on Friday, November 8, 2013 at 7:31pm.

sec x/(sec x -tan x)=sec^2 x +sec x tan x

- Pre Calculus -
**Steve**, Saturday, November 9, 2013 at 12:24ammultiply top and bottom by sec+tan and recall that

sec^2-tan^2 = 1