How to prove that there a constant $C$ such that $\arcsin \frac{1-x}{1+x}+2\arctan\sqrt{x}=C$?
I have no idea using which theorem to prove. Could someone show me how to start the problem?
How to prove that there a constant $C$ such that $\arcsin \frac{1-x}{1+x}+2\arctan\sqrt{x}=C$?
I have no idea using which theorem to prove. Could someone show me how to start the problem?
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