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CBSE XII
>>
Math
>>
Inverse Trigonometric Functions
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Q)
Evaluate
t
a
n
−
1
(
cos
x
1
−
sin
x
)
,
−
π
2
<
x
<
π
2
(
A
)
π
2
+
x
2
(
B
)
π
4
+
x
4
(
C
)
π
4
−
x
4
(
D
)
π
2
−
x
2
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