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CBSE XII
>>
Math
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Inverse Trigonometric Functions
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Q)
What is the value of
2
t
a
n
−
1
x
given
–
1
<
x
<
1
?
related to an answer for:
What is the value of
t
a
n
−
1
x
−
t
a
n
−
1
y
given
x
<
0
,
y
>
0
and
x
y
<
−
1
?
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