ECAT Mathematics Solution of Trigonometric Functions Online Test

ECAT Math Solution of Trigonometric Functions

ECAT Math Solution of Trigonometric Functions Chapter Online Test

Total Questions: 70
Time Allowed: 40 Minutes
Total Marks: 70
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: ECAT Entry Test
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1. If tan θ + tan (π/3 + θ) + tan (–π/3 + θ) = a tan 3θ, then a =

2. The value of cos 15° -sin 15° is

3. If sin A = sin β and cos A = cos β, then

4. The solution of sin²x = ¾ is

5. The general solution of the equation 1 + cos x = 0 is

6. Area of ∆ABC =

7. The equation 2 cos² (x/2) sin²x = x² + 1/x² 0 ≤ x ≤ π/2 has

8. If sin x + cos x = 0, then x =

9. 2 π + θ will have terminal side in Quad/
math

10. If 4 sin² θ = 1, then values of θ are

11. If θ = 60° then

12. If 1 + cos x = 0 then solution set is

13. A trigonometric equation has _________ solutions

14.

15. If (1 + tanθ)(1 + tan Ø) = 2, then θ + Ø =

16. Tan 75° - cos 75° is equal to

17. sec (-360°) = _________

18. If sin x + cos x = 1/5, 0 ≤ x ≤ π then tan x is equal to

19. Tan 3x tan 2x – tan x is equal to:

20. If sin⁻¹ᵃ + sin⁻¹ β 9 sin⁻¹ ϒ = 3π/2 then aβ + aϒ + βϒ is equal to

21. Tangent is a periodic function and its period is __________

22. Domain of sin θ is

23.

24. The number of points of intersection of the two curves y = 2 sin x and y = 5x² + 2x + 3 is

25. If Cos θ = 0, Then θ =


 

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