If `sinx+cosx=1/5,0lexlepi,` then tan x is equal to

If sinx+cosx=1/5 and 0lexlepi , then tanx is equal to

If 0ltxltpiand cosx+sinx=1/2, then tan x is equal to

If 0ltxltpiand cosx+sinx=1/2, then tan x is equal to

If sinx+cosx=1/5 , then tan 2x is

If y=tan^(-1)((sinx+cosx)/(cosx-sinx)) , then (dy)/(dx) is equal to (a) 1/2 (b) 0 (c) 1 (d) none of these

if y=(sinx+cosx)/(sinx-cosx) , then (dy)/(dx) at x=0 is equal to

if y=(sinx+cosx)/(sinx-cosx) , then (dy)/(dx) at x=0 is equal to