Discussion
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- Question
If ?[(1 - cosA)/2] = x, then the value of x is
Options- A. cos(A/2)
- B. tan(A/2)
- C. sin(A/2)
- D. cot(A/2)
- Correct Answer
- sin(A/2)
- 1. If cot 60° + cosec 60° = x, then the value of x is
Options- A. (1-2?2)/?2
- B. (?3-4)/2?3
- C. 1
- D. ?3 Discuss
- 2. Reduce 3596 / 4292 to lowest terms.
Options- A. 29/37
- B. 17/43
- C. 31/37
- D. 19/23 Discuss
- 3. What is the slope of the line, parallel to the line 3x - 6y = 4?
Options- A. -1/2
- B. 1/2
- C. 2
- D. -2 Discuss
- 4. If cot(A/2) = x, then x is equal to
Options- A. tanA/(1 + secA)
- B. 1/(secA + cotA)
- C. tanA/(1 + cosecA)
- D. 1/(cosecA - cotA) Discuss
- 5. If cos 45° - sec 30° = x, then value of x is
Options- A. (1+?2)/2
- B. (2?2?3)/2
- C. (?32?2)/?6
- D. 4/?3 Discuss
- 6. If 1 + secA = x, then the value of x is
Options- A. sinAtanA/(1 + cosA)
- B. ?[sinAtanA/(1 - cosA)]
- C. sinAtanA/(1 - cosA)
- D. ?[sinAtanA/(1 + cosA)] Discuss
- 7. Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?
Options- A. 20
- B. -20
- C. 4
- D. -4 Discuss
- 8. If (8 - 10x) - (13x - 2) = -9, then the value of x is
Options- A. -19/23
- B. 19/23
- C. -1/23
- D. 1/23 Discuss
- 9. If xy = -18 and x2+ y2= 85 , then find the value of (x + y).
Options- A. 8
- B. 10
- C. 9
- D. 7 Discuss
- 10. If 2x -3(x + 2) < 5 - 2x < -x + 2, then find the value of x.
Options- A. 2
- B. 0
- C. 10
- D. 12 Discuss
Simplification problems
Search Results
Correct Answer: ?3
Correct Answer: 31/37
Correct Answer: 1/2
Correct Answer: 1/(cosecA - cotA)
Correct Answer: (?32?2)/?6
Correct Answer: sinAtanA/(1 - cosA)
Correct Answer: -20
Correct Answer: 19/23
Correct Answer: 7
Correct Answer: 10
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