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Class 11 Maths Practice Test - Trigonometric Functions of Sum and Difference of Two Angles
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Class 11 Maths Practice Test - Trigonometric Functions of Sum and Difference of Two Angles
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25 Questions

1. cot 75° =___________________________
2. cos(15°) =_____________
3. cos 75° – cos 15° =___________________
4. Find cos 2x if tan x=1/\(\sqrt{3}\).
5. tan(75°) =___________________
6. cos(75°) =__________________
7. tan(75°) =___________________
8. cot 75° =___________________________
9. Is cos (90° – x) = sin x.
10. Find cos 2x if cos x = 1/\(\sqrt{2}\).
11. If tan x = 1/\(\sqrt{3}\), then tan2x =_________________
12. If tan x=1/\(\sqrt{3}\), then sin 2x =___________________
13. 2 cos 75° cos 15° =____________________
14. cos 75° + cos 15° =___________________
15. Find cos 2x if sin x=1/2.
16. Find tan 3x if tan x= 1.
17. 2 sin 75° sin15° =_____________________________
18. cos 75° – cos 15° =___________________
19. If sin x=1/2 and cos x=\(\sqrt{3}\)/2, then find sin 2x.
20. sin 75° + sin 15° = _________________
21. sin(15°) =_________________
22. 2 cos 75° cos 15° =____________________
23. Is cos (90° – x) = sin x.
24. cot 15° =______________
25. Find tan 3x if tan x= 1.

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