SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Trigonometry

ఒకవేళ cot A + cos A = p మరియు cot A - cos A = q అయితే, కింది వాటిలో ఏది సరైనది?

1
\(\rm\sqrt{\frac{1}{16pq}}=p^2+q^2\)
2
\(\rm {\frac{1}{4pq}}=p^2+q^2\)
3
\(\rm\sqrt{16pq}=p^2-q^2\)
4
4pq = p2 + q2
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