Prove that

![]()
…(1)
Use King theorem of definite integral


…(2)
Adding eq.(1) and eq.(2)


Let, cos x = t
⇒ -sin x dx = dt
At x = 0, t = 1
At x = π, t = -1

![]()
![]()
![]()
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.



