Mathematics Trigonometric Identities Online Test

Maan AliLast Updated: October 15, 2025

Important Mathematics Trigonometric Identities Question and Answer

Total Questions: 47
Time Allowed: 20 Minutes
Total Marks: 47
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Math Trigonometric Identities Practice Test Online With Explanation

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Math

1. Sin (a + b) sin (a – b) = ?

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

3. sin x/1+cos x = ?

4. tan (a – 90°) =

5. tan(– a) =

6. 1-Tan²φ/1+Tan²φ = ?

7. The value of Tan 225 = ?

8. sin(a+β)/cosa cosβ = ?

9. Cos⁴q – sin⁴q = ?

10. sin³φ/sinφ – cos³φ/cosφ = ?

11. If x = ϒ cos a, y = rsin a then ϒ = ?

12. cos(–a) =

13. cos 9 a

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

15. The trigonometric ratio change into co – ratio and vice versa if φ is added to or subtracted from

16. sin (a – β) =

17. sin (π + a) =

18. sin (90° – a) =

19. sin² a =

20. sin 2 a/1 – cos 2a = ?

21. 2 sin² (a/2) =

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

23. cosec (2040°) =

24. cot (a – β) =

25. cos(a + β) – cos(a – β) =


 

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Maan AliLast Updated: October 15, 2025

Maan Ali

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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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