If `y=(tanx)/(tan3x),` then

The value of (tan3x)/(tanx) do not lie between …………

The value of (2 sinx)/(sin3x) +(tanx)/(tan3x) is ______ .

Prove that (tan3x)/(tanx) never lies between 1/3a n d3 .

If (tanx)/(2)=(tany)/(3)= (tan z)/(5) , x+y+z=pi and tan^(2)x+tan^(2)y +tan^(2)z=(38)/(K) then K= _____________

If tanx=2/3 and tany=3/4 then tan(x+y)=

If (tanx)/2=(tany)/3=(tanz)/5,x+y+z=pi and tan^2x+tan^2y+tan^2z is

If (tanx)/2=(tany)/3=(tanz)/5,x+y+z=pi and tan^2x+tan^2y+tan^2z is