secx+1 The expression was simplified with the following steps: tan x sec x 1 Step 1: + tan x tan x 1 Step 2: 1 COS X + tan x tan x 1 Step 3: COSX COS X sin x sin x COS X 1 COS X Step 4: sin x sinx COS X Step 5: cscx+ sin x Step 6: cscx + cotx Which identity/formula