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9–6 Operations with Complex Numbers
r
real
(a, b)
imaginary
θ
Example: Vector Addition.
Add the following three loads. You will first need to convert the polar coordinates
to rectangular coordinates.
y
185 lb 62
o
100 lb 261
o
170 lb 143
o
L
1
L
2
L
3
x
Keys: Display: Description:
{

}
Sets Degrees mode.
62
185
|s
)
)
Enters L
1
and converts it to
rectangular form.
143
170
|s
)
.)
Enters and converts L
2
.
{G
)
.)
Adds vectors.
261
100
|s
.)
.)
Enters and converts L
3
.