ECAT Mathematics Trigonometric Identities Online Test

Photo of Maan Ali Maan AliLast Updated: April 18, 2025

ECAT Mathematics Trigonometric Identities

ECAT Mathematics Trigonometric Identities Chapter Online Test

Total Questions: 47
Time Allowed: 20 Minutes
Total Marks: 47
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: ECAT Entry Test
Mathematics Online Test
Interview Questions about Mathematics
All Universities Entrance Test
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Math

1. 4cos³ a – 3cos a = ?

2. cos 9 a

3.

4. sin (a – β) =

5. 2 sin² (a/2) =

6. If tan φ = – 1/5, φ is obtuse then sin² φ = ?

7. cos(a + β) – cos(a – β) =

8. Tan (a – β) =

9. tan (a – 90°) =

10. If a is acute then (3π/2 + a) lies in _________

11.

12. Cos 730°

13. tan(– a) =

14. cos 540°

15. sec(90° – a) =

16. Sin sin(360°–0)cos(180°– θ)tan(180°+θ)/ sin(90°–0)cos(90°– θ)tan(360°+θ)

17. 2cos² a – 1 = ?

18. sin 2 a/1 – cos 2a = ?

19. Cot(-855°) =

20. 1-Tan²φ/1+Tan²φ = ?

21. Sin 196° interms of positive angle less than 45° =

22.

23. sin x/1+cos x = ?

24. Cos (π/2 – φ) = ?

25. sin (90° – a) =


 

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Photo of Maan Ali Maan AliLast Updated: April 18, 2025
Photo of Maan Ali

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!

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6 Comments

  4. Please correct your answers for the practice tests because man of them are wrong, and thus misguide the students.
    Thank You

    Reply

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