Question

HELP!!!
Solve tan(x) (tan x +1)= 0

A. x= pi/3 ± 2pi n, x= 3pi/4 ± 2pi n

B. x= ± pi n, x= 3pi/4 ± 2pi n

C. x= ±pi n, x= pi/2 ± 2pi n

D. x= ± n pi, x= pi/4 ± n pi

Answer 1

tanx =0 means x= ± n (pi)
tanx=-1 means x= 3pi/4 ± 2pi n
Therefore option B is right

Answer 2

Thanks :)

Answer 3

Welcome :)