Teaching NVS TGT 2024 Test Series Quantitative Aptitude Trigonometry

यदि \(\cot \theta=\frac{5}{6}\) है, तो \(\frac{(1+\sin \theta)(1-\sin \theta)}{(1+\cos \theta)(1-\cos \theta)}\) का मान कितना होगा?

1
\( \frac{20}{14}\)
2
\(\frac{10}{12}\)
3
\( \frac{15}{18}\)
4
\(\frac{25}{36}\)
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