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sherry59Sherry59
10.07.2019 •
Mathematics
The function r(t) traces a circle. determine the radius, center, and plane containing the circle r(t)=−9i+ (11cos(t))j+ (11sin(t))k
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Ответ:
we are given
r(t)=−9i+ (11cos(t))j+ (11sin(t))k
now, we can find x-components , y-component and z-component
now, we can square and add them
now, we can simplify it
we can also write as
now, we can compare it with
Center:
(0,0,0)
radius:
Ответ: