i don't know what half of 2/3 is or 4/3 because if i know that then i can square them and that's it
i calculated :
(x² - 2/3x + 1/9) + (y² + 4/3 + 2/3) = 22/9
is this it
Homework Statement
9x² + 9y² - 6x + 12y - 22 = 0
Homework Equations
The Attempt at a Solution
i got this far but can't finish i don't know what to do:
3(3x² - 2x + 1) + 3(3y² + 4y + 4) = 40
Homework Statement
Write an equation of a sine function with a amp=(2/3) , Period = 4╥ and a phase shift of ╥/2.
in radians
Homework Equations
The Attempt at a Solution
i got
y = 2/3 cos (2...