Discussion
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- Question
If Cos ? = 5/13, then Cosec ? = ?
Options- A. 5/12
- B. 12/5
- C. 13/5
- D. 13/12
- Correct Answer
- 13/12
- 1. ? DEF is right angled at E. If m?D = 45%., then Cosec F =
Options- A. 1/2
- B. 1/?2
- C. ?2
- D. 1/?3 Discuss
- 2. Sec 45% + Tan 30% =
Options- A. (?6 + 1)/?3
- B. (1 + ?3)/2
- C. (?3 + 2)/?3
- D. 5/?3 Discuss
- 3. If a + b = 3 and ab = -4, then what is the value of a3 + b3 ?
Options- A. 36
- B. 63
- C. 12
- D. -15 Discuss
- 4. If -3[1-(x/2)] + 5x/3 = 1/6, then what is the value of x?
Options- A. 2
- B. -1
- C. 1
- D. -2 Discuss
- 5. If Sec ? = 5/3, then what is the value of Cosec ??
Options- A. 0.8
- B. 1.25
- C. 4/3
- D. 3/4 Discuss
- 6. If 10x/3 + 5/2(2 - x/3) = 7/2, then the value of x is?
Options- A. 3/5
- B. -5/3
- C. 5/3
- D. -3/5 Discuss
- 7. If a - b = 2 and ab = 15, then what is the value of a3- b3 ?
Options- A. 152
- B. 112
- C. 108
- D. 98 Discuss
- 8. The sum of a fraction and 4 times its reciprocal is 13/3. What is the fraction?
Options- A. 4/3
- B. 3/4
- C. 5/4
- D. 4/5 Discuss
- 9. What is the value of Sin 30° - Cosec 45°?
Options- A. (2?6 - 1)/?3
- B. (1 - 2?3)/2
- C. (?2 - ?3)/?6
- D. (1 - 2?2)/2 Discuss
- 10. If Cos ? = 35/37 , then what is the value of Cot ??
Options- A. 12/35
- B. 35/12
- C. 37/12
- D. 12/37 Discuss
Simplification problems
Search Results
Correct Answer: ?2
Correct Answer: (?6 + 1)/?3
Correct Answer: 63
Correct Answer: 1
Correct Answer: 1.25
Correct Answer: -3/5
Correct Answer: 98
Correct Answer: 4/3
Correct Answer: (1 - 2?2)/2
Correct Answer: 35/12
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