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Mathematics
Mathematics
Problem
If
0
<
amp
(
z
)
<
π
0 < \text{amp}(z) < \pi
0
<
amp
(
z
)
<
π
, then
amp
(
z
)
−
amp
(
−
z
)
\text{amp}(z) - \text{amp}(-z)
amp
(
z
)
−
amp
(
−
z
)
is equal to a. 0 b.
2
amp
(
z
)
2 \text{amp}(z)
2
amp
(
z
)
c.
π
\pi
π
d.
−
π
-\pi
−
π
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