Trigonometric Functions Test Online MCQs

1. The solution of tan θ + sec θ = √3, 0≤ θ ≤ 2π

2. 1/sin 10° - √3/cos 10° is equal to:

3. The number of solution of the equation cosθ cos 2θ cos 3θ = 1/4 is

4. sin 36° sin 72° sin 108° sin 144° is equal to

5. If sin 5x + sin 3x + sin x = 0, the value of x between 0 < x < π/2 is:

6. The minimum value of 3 cos θ + 4 sin θ + 8 is

7. The smallest value of x for which tan (x + 100°) = tan (x + 50°) tan (x) tan (x - 50°) is:

8. tan A + 2 tan 2 A + 4 tan 4A + 8 cot 8A is equal to:

9. If a cos 2θ + b sin 2θ = c has α and β as its solutions, then tan α - tan β is equal to:

10. The number of solutions of the equation sin (e^x) = 5^x + 5^-x is:

11. tan 20° tan 40° tan 60° tan 80° is equal to:

12. If A, B, C and Dare angles of a cyclic quadrilateral, then cos A+ cos B + cos C+ cos D is equal to

13. One value of θ which satisfies the equation sin⁴ θ - 2 sin² θ - 1 = 0 lies between 0 and 2π is:

14. Sin 12° sin 48° sin 54° is equal to:

15. If cos (α + β) = 4/5 and sin (α - β) = 5/13 and α, β lie between 0 π/4, then tan 2α is equal to: