Answer: nonsense
Step-by-step explanation:
7x+3=5(x-3)+2x
7x+3=5x-15+2x
7x+3-5x+15-2x=0
18=0
Non-sense
Answer:
First one
Step-by-step explanation:
None of the equations are identities
Answer:
12-19x8-
Step-by-step explanation:
Answer:
Step-by-step explanation:
i d k
Hello,
It is not the same function.
arctan (tan(x))=x
1/tan(x) * tan(x)=1
in the file jointed,
arctan x is in blue
1/tan x in red.