Verity the identity cos x cos x tan x secx Choose the sequence of steps below that verifies the identity O A O B O C cos x cos x tan x cos x tan x 1 cos x cos x tan x cos x 1 tan x cos x cos x tan x cos x 1 tan x OD cos x cos x tan x 1 tan x secx 1 sec x 1 2 sec x 1 sec x secx sec x secx sec x sec x sec x