ECAT Mathematics Trigonometric Identities Online Test

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
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Math

1. sin(a+β)/cosa cosβ = ?

2. sin² a =

3. cosec (2040°) =

4. sin30+sin60+sin90/cos30+cos60+cos90 = ?

5. cos 540°

6.

7.

8. Cosec 2 φ 0 – cot 2 φ = ?

9. tan (a – 90°) =

10. 1-Tan²φ/1+Tan²φ = ?

11. Tan φ/2 = ?

12. Sin (a + b) sin (a – b) = ?

13. The value of Tan 225 = ?

14. cos(a + β) – cos(a – β) =

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

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

17. cos 9 a

18. Tan (a – β) =

19. sec(90° – a) =

20. 4cos³ a – 3cos a = ?

21. sin (90° – a) =

22. Cos (π/2 – φ) = ?

23. Cos⁴q – sin⁴q = ?

24. sec (π + a) =

25. 2 sin² (a/2) =


 

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6 Comments

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

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