Use a CAS to evaluate the line integrals along the given curves. a ∫ C x 7 y 3 d s C : x = cos 3 t , y = sin 3 t ( 0 ≤ t ≤ π / 2 ) b ∫ C x 5 z d x + 7 y d y + y 2 z d z C : r ( t ) = t i + t 2 j + ln t k ( 1 ≤ t ≤ e )
Use a CAS to evaluate the line integrals along the given curves. a ∫ C x 7 y 3 d s C : x = cos 3 t , y = sin 3 t ( 0 ≤ t ≤ π / 2 ) b ∫ C x 5 z d x + 7 y d y + y 2 z d z C : r ( t ) = t i + t 2 j + ln t k ( 1 ≤ t ≤ e )
Use a CAS to evaluate the line integrals along the given curves.
a
∫
C
x
7
y
3
d
s
C
:
x
=
cos
3
t
,
y
=
sin
3
t
(
0
≤
t
≤
π
/
2
)
b
∫
C
x
5
z
d
x
+
7
y
d
y
+
y
2
z
d
z
C
:
r
(
t
)
=
t
i
+
t
2
j
+
ln
t
k
(
1
≤
t
≤
e
)
With differentiation, one of the major concepts of calculus. Integration involves the calculation of an integral, which is useful to find many quantities such as areas, volumes, and displacement.
Use the properties of logarithms, given that In(2) = 0.6931 and In(3) = 1.0986, to approximate the logarithm. Use a calculator to confirm your approximations. (Round your answers to four decimal places.)
(a) In(0.75)
(b) In(24)
(c) In(18)
1
(d) In
≈
2
72
Find the indefinite integral. (Remember the constant of integration.)
√tan(8x)
tan(8x) sec²(8x) dx
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