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Byju's Answer
Standard XII
Mathematics
Integration of Trigonometric Functions
Solve for x...
Question
Solve for
x
and
y
:
12
s
i
n
x
+
5
c
o
s
x
=
2
y
2
−
8
y
+
21
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Solution
Given,
12
sin
x
+
5
cos
x
=
2
y
2
−
8
y
+
21
As
−
13
≤
12
sin
x
+
5
cos
x
≤
13
2
y
2
−
8
y
+
21
=
−
13
or
2
y
2
−
8
y
+
21
=
13
2
y
2
−
8
y
+
34
=
0
or
2
y
2
−
8
y
+
8
=
0
y
2
−
4
y
+
17
=
0
or
y
2
−
4
y
+
4
=
0
imaginary roots or
(
y
−
2
)
2
=
0
y
=
2
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0
Similar questions
Q.
Solve
12
sin
x
+
5
cos
x
=
2
y
2
−
8
y
+
21
to get the values of
n
and
y
Q.
If
x
and
y
satisfies the equation
12
sin
x
+
5
cos
x
=
2
y
2
−
8
y
+
21
, then the value of
12
cot
(
x
y
2
)
is
Q.
If
x
and
y
are the solutions of the equation
12
sin
x
+
5
cos
x
=
2
y
2
−
8
y
+
21
, the value of
3864
cot
(
x
y
2
)
is
Q.
If
a
=
1
5
cos
x
+
12
sin
x
, then for all real
x
Q.
If
y
=
tan
−
1
[
5
cos
x
−
12
sin
x
12
cos
x
+
5
sin
x
]
, then
d
y
d
x
=
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Standard XII Mathematics
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