Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Prove that 
dx = 
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. Let f(x) = 
Clearly, f(x + π ) = f(x) for all x. So, f(x) is a periodic function with period π .
∴ =
= 
= 
= 2 
= 2 
= 
= 
= tan –1 (1) –tan –1 (0) = 
– 0 = 
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