Since ur using r as a variable the answer is r = 7.
It’s A I just took that trust me
Sorry i need pointsss so 15 is your answer and i can leave
Answer is D. 3(x - 7) = 3x - 21
because
3(x - 7) = 3x - 21
Distributive property
3x - 21 = 3x - 21
0 = 0
Infinitely many real solutions
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.