Question

i
f tanx= -1 in which quadrant does x lie?​

Answer 1

Answer:

we know tan 45 =1

and in 3rd quadrant value of tan is positive

so it can be second or 4th

Step-by-step explanation:

Answer 2

Step-by-step explanation:

tan x = - 1

=> tan x = tan (180° - 45°) => tan 135°

=> x = 135°

x lies in 2nd quadrant