Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Evaluate : 
cos 2 x n (1 + tan x) dx
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
[ sin2 x. n(1+tan x) – x + n |sin x + cos x|] + C
Sol. 
cos 2 x n (1 + tan x) dx
= 
sin 2x n (1 + tan x) – 
sin 2x dx = 
sin 2x n (1 + tanx) – 
= 
sin 2x n (1 + tan x) – x + 
dx
= 
sin 2x n (1 + tanx) – x + 
+ 
dx
= 
[sin 2x n (1 + tanx) – x + n |sin x + cos x|] + C
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