Posted - 12/07/2011 : 11:09:55 Verify the identity:

arctanx+ arctan (1/x)=( ∏/2)

using calculus theory.

differentiate the left hand side of the identity.

1 L A T E S T R E P L I E S (Newest First)

royhaas

Posted - 12/08/2011 : 01:20:36 The hint should be that taking the derivative of both sides will show that the original left hand side must be constant. Use the chain rule to show this.