Find all values of k for which there is a triangle whose angles have measure `tan^-1(1/2),tan^-1(1/2+k)` and `tan^-1(1/2+2k)`

Find all values of k for which there is a triangle whose angles have measures tan^(-1)(1/2), tan^(-1)(1/2+k) and tan^(-1)(1/2+2k)

Find all values of k for which there is a triangle whose angles have measures tan^(-1)(1/2),tan^(-1)(1/2+k)\ a n dtan^(-1)(1/2+2k)dot\ \

Find all values of k for which there is a triangle whose angles have measures tan^(-1)((1)/(2)),tan^(-1)((1)/(2)+k) andtan ^(-1)((1)/(2)+2k)

Find the value of tan^-1(1/2tan2A)+tan^-1(cotA)+tan^-1(cot^3A)

Find the value of tan^(-1)(1/2tan2A)+tan^(-1)(cotA)+tan^(-1)(cot^3A),

Find the value of tan^(-1)((1)/(2)tan2A)+tan^(-1)(cot A)+tan^(-1)(cot^(3)A)

if two angles of a triangle are tan ^(-1)""(1)/(2) and tan^(-1) ""(1)/(3) , then find the third angle .

Find the value of tan^(-1)(1/2tan2A)+tan^(-1)(cotA)+tan^(-1)(cot^3A) =.....

If the sum of solution of the equation 2^(sin^2 x) + 5. 2^(cos^2 x) = 7 where x in (0,2pi) is equal to kpi (k in I), then the value of tan^-1(k – 1) + tan^-1(k)+tan^-1(k+ 1) is equal to