Question

Tanx-cotx=0 solve in radians

Answer 1

 tan x + 1 / tan x = 2 

tan^2 x + 1 = 2 tan x 

tan^2 x - 2 tan x + 1 = 0 

( tan x - 1 )^2 = 0 

tan x = 1 

x = π/4 , 5π/4