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CBSE XII
>>
Math
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Inverse Trigonometric Functions
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Q)
If
cos
(
sin
−
1
2
5
+
cos
−
1
x
)
=
0
,then x is equal to
(
A
)
1
15
(
B
)
2
5
(
C
)
0
(
D
)
1
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