HomeClass 10 Trigonometry Quiz Class 10 Trigonometry Quiz Er Chandra Bhushan March 29, 2026 0 Class 10 Trigonometry Quiz (20 Questions) 1. sin 30° = ? 1/2 √3/2 1 0 2. cos 60° = ? 1/2 √3/2 0 1 3. tan 45° = ? 1 √3 0 ∞ 4. sin²θ + cos²θ = ? 1 0 2 θ 5. tan 30° = ? 1/√3 √3 1 0 6. cos 0° = ? 1 0 -1 ∞ 7. sin 90° = ? 1 0 -1 1/2 8. cot 45° = ? 1 0 √3 ∞ 9. sec 60° = ? 2 1/2 √3 0 10. cosec 30° = ? 2 1/2 √3 1 11. tan 60° = ? √3 1/√3 1 0 12. sin 0° = ? 0 1 -1 1/2 13. cos 90° = ? 0 1 -1 √3/2 14. 1 + tan²θ = ? sec²θ cosec²θ 1 tanθ 15. 1 + cot²θ = ? sec²θ cosec²θ 1 cotθ 16. sec 0° = ? 1 0 2 ∞ 17. cosec 90° = ? 1 0 2 ∞ 18. sin θ = 1 ⇒ θ = ? 90° 0° 45° 60° 19. cos θ = 0 ⇒ θ = ? 90° 0° 60° 30° 20. tan 0° = ? 0 1 ∞ -1 Submit Newer Older