SSC SSC Selection Post (Phase 13) 2025 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
The value of sin2 θ + cos2 θ - (sec2 θ - tan2 θ) + cot θ sin θ - cos θ is (θ lies in first quadrant)
1
-1
2
sec2 θ
3
0
4
4sin θ cos θ