Answer:
Step-by-step explanation:
Put the equation in the form ax+by+c=0:

Check the solutions:
:

So this is not a solution.
(
:

So this is a solution
ANSWER: The inequality form is: m <u><</u> -3
Answer:
2tanθ = 2cotθ
tanθ = cotθ
tanθ = 1 /tanθ
tan²θ = 1
tanθ = ±1
if tanθ = 1
θ = 45° + nπ (π = 180° , n is a natural number)
if tanθ = -1
θ = 135° + nπ