Trigonometric identities to solve equations – Hard (A Level Only)
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Question 1 of 25
1. Question
Solve 6cosec²θ + 17cosecθ + 12 = 0 between 0° ≤ θ ≤ 360°
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Question 2 of 25
2. Question
Solve cosec²θ = 2cosecθ + 8 between 0° ≤ θ ≤ 360°
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Question 3 of 25
3. Question
Solve 2cosec²θ + 9cosecθ + 9 = 0 between -180° ≤ θ ≤ 180°
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Question 4 of 25
4. Question
Solve 5sec²θ + 4secθ = 12 between 0° ≤ θ ≤ 360°
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Question 5 of 25
5. Question
Solve 5sec²θ + 4secθ = 12 between 0° ≤ θ ≤ 360°
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Question 6 of 25
6. Question
Solve sec²θ = 4secθ + 12 between 0° ≤ θ ≤ 360°
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Question 7 of 25
7. Question
Solve cot²θ + 3cotθ = 10 between 0° ≤ θ ≤ 360°
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Question 8 of 25
8. Question
Solve 4cot²θ + 15 = 16cotθ between -180° ≤ θ ≤ 180°
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Question 9 of 25
9. Question
Solve 5cot²θ + 12 = 16cotθ between -180° ≤ θ ≤ 180°
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Question 10 of 25
10. Question
Solve 5cot²θ + 16cosecθ + 17 = 0 between 0° ≤ θ ≤ 360°
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Question 11 of 25
11. Question
Solve cot²θ + 4cosecθ = 11 between -180° ≤ θ ≤ 180°
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Question 12 of 25
12. Question
Solve 3cot²θ = 5cosecθ + 9 between -180° ≤ θ ≤ 180°
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Question 13 of 25
13. Question
Solve cot²θ = 2cosecθ + 7 between 0° ≤ θ ≤ 360°
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Question 14 of 25
14. Question
Solve tan²θ = 5secθ + 13 between -180° ≤ θ ≤ 180°
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Question 15 of 25
15. Question
Solve 3tan²θ + 10secθ + 11 = 0 between 0° ≤ θ ≤ 360°
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Question 16 of 25
16. Question
Solve 2tan²θ + secθ = 4 between -180° ≤ θ ≤ 180°
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Question 17 of 25
17. Question
Solve 2tan²θ + secθ = 4 between -180° ≤ θ ≤ 180°
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Question 18 of 25
18. Question
Solve 8cosec²θ + 22cotθ + 7 = 0 between 0° ≤ θ ≤ 360°
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Question 19 of 25
19. Question
Solve 3cosec²θ + 2cotθ = 11 between -180° ≤ θ ≤ 180°
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Question 20 of 25
20. Question
Solve 4cosec²θ = 7cotθ + 19 between 0° ≤ θ ≤ 360° CorrectIncorrect -
Question 21 of 25
21. Question
Solve 2cosec²θ + 5cotθ = 14 between -180° ≤ θ ≤ 180°
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Question 22 of 25
22. Question
Solve 15sec²θ = 2tanθ + 23 between 0° ≤ θ ≤ 360°
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Question 23 of 25
23. Question
Solve 14sec²θ + 5tanθ = 15 between 0° ≤ θ ≤ 360°
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Question 24 of 25
24. Question
Solve 14sec²θ = 5tanθ + 15 between -180° ≤ θ ≤ 180°
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Question 25 of 25
25. Question
Solve 12sec²θ + 4tanθ = 13 between -180° ≤ θ ≤ 180°
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