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State PCS PYQ
RPSC
Mains
2016
Q12
RPSC Mains 2016
Paper-II
Section B
Q. 12
RPSC Mains 2016
·
Paper-II
·
Section B
If tan θ = (x sin θ) / (1 − x cos φ) and tan φ = (y sin θ) / (1 − y cos θ), then prove that sin θ / sin φ = x / y.
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