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Show that 2tan^(-1)(-3)=(-)/(2)+tan^(-1)...

Show that 2tan^(-1)(-3)=(-)/(2)+tan^(-1)((-4)/(3))

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Show that 2tan^(-1)(-3)=(-pi)/2+tan^(-1)((-4)/3) .

Show that 2tan^(-1)(-3)=-(pi)/(2)+tan^(-1)(-(4)/(3))

Prove that 2tan^(-1)((1)/(2))=tan^(-1)((4)/(3))

Show that 2tan^-1 (-3)=-pi/2+tan^-1(-4/3)

Show that 2tan^-1 (-3)=-pi/2+tan^-1(-4/3)

Show that tan^(-1)""(1)/(2) + tan^(-1)""(2)/( 11) + tan^(-1)""(4)/(3) = (pi)/(2)

2 tan ^(-1) ""(1)/(2) = tan^(-1) ""(4) /(3)

2Tan^(-1)(3//4)=

Show that ,,tan^(-1)(1)/(2)+tan^(-1)(2)/(11)=tan^(-1)(3)/(4)

Show that : "tan"^(-1)(1)/(4) +"tan"^(-1)(2)/(9) = (1)/(2) "cos"^(-1)(3)/(5) .