D dx sec x tanx July 8, 2019 16 32 64 128 D dx sec x tan x D dx log sec x tan x D dx y y * sec x tan x D dx sec 2 x tan 2 x Prove that d dx sec x sec x tan x D dx tan inverse sec x tan x D dx arctan sec x tan x )) Show that d dx sec x sec x tan x D dx ln sec x )+ tan x