For the following exercises, let S he the disk enclosed by curve C : r ( t ) = 〈 cos φ cos t , sin t sin φ cos t 〉 , for 0 ≤ t ≤ 2 π , where 0 ≤ φ ≤ π 2 is a fixed angle. 368. What is the length of C in terms of φ ?
For the following exercises, let S he the disk enclosed by curve C : r ( t ) = 〈 cos φ cos t , sin t sin φ cos t 〉 , for 0 ≤ t ≤ 2 π , where 0 ≤ φ ≤ π 2 is a fixed angle. 368. What is the length of C in terms of φ ?
For the following exercises, let
S
he the disk enclosed by curve
C
:
r
(
t
)
=
〈
cos
φ
cos
t
,
sin
t
sin
φ
cos
t
〉
, for
0
≤
t
≤
2
π
, where
0
≤
φ
≤
π
2
is a fixed angle.
Let f (z) = 470 = Q A = 2and
B= 2 + 2iLet C1 be the contour
composed of the line segments O Aand AB
(in this order). Let C2 denote the line
segment OB Finally, let C3 denote the
semicircular arc from Bto O.
B
C3
C2
C1
A
Part (a)
Find
f (z) dzand write it as a + ib
where a and b are real numbers. What is a-b?
i need the answer quickly
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