SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি tanθ = \(\frac{a^2 - b^2}{2ab}\), 0∘ < θ < 90∘ হয়, তবে sinθ এর মান নির্ণয় করুন।
1
\(\frac{a^2 + b^2}{a^2 - b^2}\)
2
\(\frac{2ab}{a^2 + b^2}\)
3
\(\frac{a^2 b^2}{a^2 + b^2}\)
4
\(\frac{a^2 - b^2}{a^2 + b^2}\)