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Byju's Answer
Standard XII
Mathematics
Derivative of One Function w.r.t Another
17. If x=p se...
Question
17. If x=p sec Q+ q tan Q and y=p tan Q + q sec Q then prove that x2 -y2 =p2 - q2
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Similar questions
Q.
If
P
=
sec
6
A
−
tan
6
A
and
Q
=
3
sec
2
A
tan
2
A
,
then
P
−
Q
is equal to
Q.
If
x
=
p
sec
θ
and
y
=
q
tan
θ
, then
Q.
If
sin
A
sin
B
=
p
,
cos
A
cos
B
=
q
,
then prove that -
tan
A
=
±
p
q
√
(
1
−
q
2
p
2
−
1
)
,
tan
B
=
±
√
(
1
−
q
2
p
2
−
1
)
Q.
If
P
=
x
x
+
y
,
Q
=
y
x
+
y
, then find
1
P
−
Q
−
2
Q
P
2
−
Q
2
.
Q.
If
p
&
q
are distinct reals , then
2
{
(
x
−
p
)
(
x
−
q
)
+
(
p
−
x
)
(
p
−
q
)
+
(
q
−
x
)
(
q
−
p
)
}
=
(
p
−
q
)
2
+
(
x
−
p
)
2
+
(
x
−
q
)
2
is satisfied by
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Standard XII Mathematics
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