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Question #22
Hard
•
SSC CGL Tier 1 2024
•
25/09/2024, 12:30 PM
•
Trigonometry
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If
x
=
p
sec
A
cos
B
x = p \sec A \cos B
x
=
p
sec
A
cos
B
,
y
=
q
sec
A
sin
B
y = q \sec A \sin B
y
=
q
sec
A
sin
B
and
z
=
r
tan
A
z = r \tan A
z
=
r
tan
A
, what is the value of the following expression?
x
2
p
2
+
y
2
q
2
−
z
2
r
2
\frac{x^2}{p^2} + \frac{y^2}{q^2} - \frac{z^2}{r^2}
p
2
x
2
+
q
2
y
2
−
r
2
z
2
A
p
2
+
q
2
−
r
2
p^2 + q^2 - r^2
p
2
+
q
2
−
r
2
B
0
C
p
2
−
q
2
+
r
2
p^2 - q^2 + r^2
p
2
−
q
2
+
r
2
D
1
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