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Standard XII
Mathematics
Question
If
s
i
n
(
x
)
=
c
o
s
(
y
)
, then
x
+
y
=
45
∘
, write true or false.
True
False
A
True
B
False
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Solution
Verified by Toppr
s
i
n
x
=
c
o
s
y
c
o
s
(
90
−
x
)
=
c
o
s
y
90
−
x
=
y
x
+
y
=
90
∘
The given statement is false.
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4
Similar Questions
Q1
If
s
i
n
(
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)
=
c
o
s
(
y
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, then
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=
45
∘
, write true or false.
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