Expand to write an equivalent expression -1/4(-8x+12y)
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we are given
(x,y)=(5,-12)
so, x=5 and y=-12
now, we can find r
now, we can find cos
so, we get
...........Answer
we are given
(x,y)=(5,-12)
so, x=5 and y=-12
now, we can find r
now, we can find cos
so, we get
...........Answer