Byju's Answer
Standard XII
Mathematics
Derivative of Some Standard Functions
If a sinx + b...
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If a sinx + b cos(c+x) + b cos(c-x) = q q is greater than a Then minimum value of mod of cosc is :
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Q.
In
△
A
B
C
,
s
i
n
(
A
+
B
2
)
=
Q.
If
cos
(
A
−
B
)
cos
(
A
+
B
)
+
cos
(
C
+
D
)
cos
(
C
−
D
)
=
0
, then
tan
A
t
a
n
B
tan
C
=
Q.
The value of the determinant is
∣
∣ ∣ ∣
∣
c
o
s
(
A
−
P
)
c
o
s
(
A
−
Q
)
c
o
s
(
A
−
R
)
c
o
s
(
B
−
P
)
c
o
s
(
B
−
Q
)
c
o
s
(
B
−
R
)
c
o
s
(
C
−
P
)
c
o
s
(
C
−
Q
)
c
o
s
(
C
−
R
)
∣
∣ ∣ ∣
∣
Q.
If
cos
(
A
+
B
)
cos
(
A
−
B
)
+
cos
(
C
−
D
)
cos
(
C
+
D
)
=
0
, then
cot
A
cot
B
cot
C
is equal to
Q.
In
△
A
B
C
,
s
i
n
(
A
+
B
2
)
=
.
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Standard XII Mathematics
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