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Byju's Answer
Standard XII
Mathematics
Domain
If sin x =...
Question
If
s
i
n
x
=
s
i
n
y
and
c
o
s
x
=
c
o
s
y
, then
x
is
A
2
n
π
+
y
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B
2
n
π
−
y
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C
n
π
+
y
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D
n
π
−
y
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Solution
The correct option is
D
2
n
π
+
y
Given
c
o
s
x
=
c
o
s
y
and
s
i
n
x
=
s
i
n
y
By dividing one by another , we get
t
a
n
x
=
t
a
n
y
So we get
x
=
2
n
π
+
y
therefore the correct option is
A
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0
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