Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Evaluate 
dx
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. We have,
dx
= 
dx
= 
dx
= 
dt, where t = cos x and – sin x dx
= dt
= 
dt
= 
dt
= 
dt
= 
,
where t + 
+ 1 = u 2 , 
dt = 2u du
= 
du
= tan –1 u + C
= tan –1 
+ C
= tan –1 
+ C
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