(Sinθ + Cosθ)/(Sinθ – Cosθ) = 7 হলে Secθ এর মান কত?

Created 1 year ago | Updated 3 weeks ago
(ক) 5/3
(খ) ±5/3
(গ) -5/3
(ঘ) 3/5
No explanation available.

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