Length of curves Use a scalar line integral to find the length of the following curves. 32. r ( t ) = 〈 30 sin t , 40 sin t , 50 cos t 〉 , for 0 ≤ t ≤ 2 π
Length of curves Use a scalar line integral to find the length of the following curves. 32. r ( t ) = 〈 30 sin t , 40 sin t , 50 cos t 〉 , for 0 ≤ t ≤ 2 π
Find the horizontal and vertical tangent lines of the cardioid r = 11-11 sin(0).
(Express numbers in exact form. Use symbolic notation and fractions where needed. Give your answer in the form of comma
separated list.)
y =
Pls explain in detail
WHite the veD secsand orde equation as is equivalent svstem of hirst order equations.
u" +7.5z - 3.5u = -4 sin(3t),
u(1) = -8,
u'(1)
-6.5
Use v to represent the "velocity fumerion", ie.v =().
Use o and u for the rwo functions, rather than u(t) and v(t). (The latter confuses webwork. Functions like sin(t) are ok.)
+7.5v+3.5u-4 sin 3t
Now write the system using matrices:
dt
3.5
7.5
4 sin(3t)
and the initial value for the vector valued function is:
u(1)
v(1)
3.5
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