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Mathematics
Problem
Arrange the following numbers in ascending order:
P
=
arcsin
(
0.4
)
,
Q
=
arccos
(
0.4
)
,
R
=
arctan
(
0.4
)
P=\arcsin(0.4),\; Q=\arccos(0.4),\; R=\arctan(0.4)
P
=
arcsin
(
0.4
)
,
Q
=
arccos
(
0.4
)
,
R
=
arctan
(
0.4
)
a)
P
<
R
<
Q
P<R<Q
P
<
R
<
Q
b)
R
<
Q
<
P
R<Q<P
R
<
Q
<
P
c)
R
<
P
<
Q
R<P<Q
R
<
P
<
Q
d)
Q
<
P
<
R
Q<P<R
Q
<
P
<
R
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