SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\(\rm \frac{tan(45°-\alpha)}{cot(45°+\alpha)}-\frac{(cos19°+sin71°)(sec19°+cosec71°)}{tan 12° tan 24° tan 66° tan 78°}\) का मान क्या है?
1
-3
2
2
3
0
4
-2