ethann47
28.03.2021 •
Mathematics
What is the perimeter for (x+6) + (x^2 - 7x + 12)
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Ответ:
y=x
Step-by-step explanation:
if ( r , θ )
be the polar coordinate corresponding to the rectangular coordinate (x,y) of a point. then
x = r cos θ
and y = r sin θ ∴ y x = tan θ
here θ = ( π 4 ) So y x = tan ( π 4 ) = 1 ⇒ y = x