SSC SSC CPO Mock Test Series 2025 (Tier I & II) (DP SI & CAPF) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
In ΔABC, right-angled at B, if tan A = \(\frac{1}{2}\), then the value of \(\frac{{\sin A\left( {\cos A\,{\rm{ - }}\,{\rm{\cos C}}} \right)}}{{\cos C\left( {\sin C\, - \,\sin A} \right)}}\) is:
1
-1
2
1
3
-3
4
3