sec x/sec -tan x+c dx equals

Class 12th Mathematics, Question Paper 2023: sec x/sec -tan x+c dx equals

These are the options for the Question: sec x/sec -tan x+c dx equals

(a) sec x-tan x+c
(b) sec x+tan x+c
(c) tan x-sec x+c
(d) -(sec x+tan x)+c

 

The correct answer is – (d) -(sec x+tan x)+c