Mathematics, 14.01.2021 14:00 jessieeverett432
The equation gives the position s = f(t) of a body moving
on a coordinate line (s in meters, t in seconds).
1) s = 1 + 9(cos t)
Find the body's speed at time t=pi/3 sec.
2) s = 12(sin t) - (cos t)
Find the body's velocity at time t=pi/4 sec.
Answers: 1
meters per second.
meters per second.
. So
is a common angle, which has a sine of 
. So
. So
is a common angle, which has both sine and cosine of 
. So
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The equation gives the position s = f(t) of a body moving
on a coordinate line (s in meters, t in s...
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