2 years ago

Tanx-cotx=0 solve in radians

1 answer:

6 0

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

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