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Question-151082




Question Number 151082 by mathdanisur last updated on 18/Aug/21
Commented by Mokmokhi last updated on 18/Aug/21
This can be proven starting from left.  By substituting u=(π/2)−x.  After evaluation. By dummy variables done.
Thiscanbeprovenstartingfromleft.Bysubstitutingu=π2x.Afterevaluation.Bydummyvariablesdone.

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