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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Compound Angles
The number of...
Question
The number of solution of equation
sin
−
1
x
+
n
sin
−
1
(
1
−
x
)
=
m
π
2
,
where
n
>
0
,
m
≤
0
,
is
A
3
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B
1
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C
2
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D
none of these
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Solution
The correct option is
D
none of these
sin
−
1
(
x
)
+
n
sin
−
1
(
1
−
x
)
=
m
π
2
⇒
π
m
=
2
(
sin
−
1
(
x
)
+
n
sin
−
1
(
1
−
x
)
)
Solution exists only when
m
=
1
,
x
=
1
or
n
=
m
,
x
=
0
But
n
>
0
,
m
≤
0
Suggest Corrections
0
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