SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

যদি sinθ = 5/13 হয়, তাহলে (cotθ - tanθ)/2cotθ এর মান কত হবে?

1

143/195

2

119/254

3

173/288

4

119/288

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