[" 24.If "tan^(-1)a+tan^(-1)b+tan^(-1)c=pi" ,then "],[" prove that "a+b+c=abc]

If tan ^(-1)a+tan^(-1)b+tan^(-1)c=pi then prove tjhat a+b+c=abc

If tan^(-1)a+tan^(-1)b+tan^(-1)c=pi then prove tjhat a+b+c=abc

Q.if tan ^(-1)a+tan^(-1)b+tan^(-1)c=pi, then prove that a+b+c=abc.

If tan^(-1) a+tan^(-1) b +tan^(-1)c=pi , prove that a+b+c=abc.

If in triangleABC, tan^(-1)(a/(b+c))+ tan^(-1)(c/(a+b)) = pi/4 , then prove that, the triangle is right angled.

If A+B+C= pi and "tan" (B+C-A)/(4) "tan" (C+A-B)/(4) *"tan" (A+B-C)/(4)=1 , then prove that cosA+ cos B+ cos C=-1

If tan^(3)A+tan^(3)B+tan^(3)C=3tan A*tan B*tan C then prove that triangle ABC is an equilateral triangle.

In any triangle ABC, if A=tan^(-1) 2 and B = tan^(-1) 3 . Prove that C= pi/4 .

In any triangle ABC, if A=tan^(-1) 2 and B = tan^(-1) 3 . Prove that C= pi/4 .

If tan^(-1) . b/(c+a) + tan^(-1) . (c)/(a + b) = pi/4 where a, b, c , are the sides of Delta ABC",then" Delta ABC is