y = sin(x), y = 0, x = 0, x = Exercise (a) the volume of the solid formed by revolving the region about the x-axis Step 1 The region is bounded by the graphs of the equations y = sin x, y = 0, x = 0, and x = x. Ax For the representative rectangle, the radius of the solid of revolution is R(x) = sin x sin (r) According the disk method, the volume the solid of revolution, whe the area is revolved about the x axis 12✔ = * [D[ R(x)] 2 V = A Therefore, Hence, T V = ²√²³ (5 Step 2 Use the half angle identity for sin² x. cos 2x sin²x = _y=sin(x) (sin(x)) V = R 6² (² 2 cos 2x 2x = (x – sin ²×]860 =(x-0 2 dx. R(x) dx. X X dx ) - (0)] The volume of the solid of revolution is V = 2

Calculus: Early Transcendentals
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y = sin(x), y = 0, x = 0, x = π
Exercise (a)
the volume of the solid formed by revolving the region about the x-axis
Step 1
The region is bounded by the graphs of the equations
y = sin x, y = 0, x = 0, and x = .
Ax
For the representative rectangle, the radius of the solid of revolution is
R(x) = sin x
sin(x)
According the disk method, the volume of solid of revolution, whe the area is revolve
2✔
= * [° [R(X)] ²
V = T
Therefore,
Hence,
V 1
1 = *.6² (s
Step 2
Use the half angle identity for sin² x.
cos 2x
sin²x =
(sin(x))
V = π
1-
*6* (²-
y=sin(x)
= [X-
sin 2x
= -0
(π
2
cos 2x
2
R(x)
dx.
dx.
X
dx
) - (0)]
4
2
The volume of the solid of revolution is V =
about
axis
Transcribed Image Text:y = sin(x), y = 0, x = 0, x = π Exercise (a) the volume of the solid formed by revolving the region about the x-axis Step 1 The region is bounded by the graphs of the equations y = sin x, y = 0, x = 0, and x = . Ax For the representative rectangle, the radius of the solid of revolution is R(x) = sin x sin(x) According the disk method, the volume of solid of revolution, whe the area is revolve 2✔ = * [° [R(X)] ² V = T Therefore, Hence, V 1 1 = *.6² (s Step 2 Use the half angle identity for sin² x. cos 2x sin²x = (sin(x)) V = π 1- *6* (²- y=sin(x) = [X- sin 2x = -0 (π 2 cos 2x 2 R(x) dx. dx. X dx ) - (0)] 4 2 The volume of the solid of revolution is V = about axis
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