Question #22
HardSSC CGL Tier 1 202425/09/2024, 12:30 PMTrigonometry
If x=psecAcosBx = p \sec A \cos B, y=qsecAsinBy = q \sec A \sin B and z=rtanAz = r \tan A, what is the value of the following expression? x2p2+y2q2z2r2\frac{x^2}{p^2} + \frac{y^2}{q^2} - \frac{z^2}{r^2}
A
p2+q2r2p^2 + q^2 - r^2
B
0
C
p2q2+r2p^2 - q^2 + r^2
D
1
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Question: If $x = p \sec A \cos B$, $y = q \sec A \sin B$ an... - PrepLeague