noahdavis4650
22.07.2021 •
Mathematics
What is the exact value of cot(5x/6)
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Ответ:
answer: (-8, -4) and (-5, -2).
explanation:
1. write the ordered pairs that represent the points e, f, g, h:
e (-4, 8)f (-7, 5)g (-4, 3)h (- 2,5)2. a rotaion of 90° about the origin in the counterclockwise direction transforms the coordinates as per the rule (x, y) → (y, -x).
hence, the images of each one of the given points are:
original point image
(x,y) (-y, x)
e (-4, 8) (-8, -4)f (-7, 5) (-5, -7)g (-4, 3) (-3, -4)h (-2, 5) (-5, -2)3. conclusion: the endpoints of the side congruent to eh are (-8, -4) and (-5, -2).