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- Question
?[(1 sinA)/(1 + sinA)] is equal to?
Options- A. secA - tanA
- B. cosecA - cotA
- C. secA + tanA
- D. cosecA + cotA
- Correct Answer
- secA - tanA
- 1. If tan2A - tan2B = x , then the value of x is
Options- A. (sin2A - sin2B)/(cos2A cos2B)
- B. (sin2A sin2B)/(cos2A - cos2B)
- C. (sin2A + sin2B)/(cos2A cos2B)
- D. (sin2A sin2B)/(cos2A + cos2B) Discuss
- 2. Product of 9b2, 3a2 and 4ab is
Options- A. 108a2b2
- B. 108a3b3
- C. 108a3b2
- D. 108a4b4 Discuss
- 3. What is the slope of the line, perpendicular to the line 3x - 6y = 4?
Options- A. -2
- B. 2
- C. 2/3
- D. -2/3 Discuss
- 4. If sinA = x, then x is equal to
Options- A. ?(1 - cos2A)
- B. ?(1 - sin2A)
- C. ?(1 + cos2A)
- D. ?(1 + sin2A) Discuss
- 5. Which of the following is not a quadratic equation?
Options- A. 2x(x + 4) -11 = x(x - 3) + 6
- B. 4x(x + 4) -11 = 5x(x - 3) + 5
- C. x(x + 2) -15 = x(x - 5) + 11
- D. 2x2 + 8x - 11 = 0 Discuss
- 6. What is the value of (4a2 + 8b + 14c + 2)/2 ?
Options- A. 2a2 + 4b + 7c + 1
- B. a2 + 4b + 7c + 1
- C. 2a2 + 4b + 7c + 2
- D. a2 + 4b + 7c + 2 Discuss
- 7. Coefficient of x2 in (x + 9)(6 - 4x) is
Options- A. 54
- B. -4
- C. 30
- D. 4 Discuss
- 8. What is the value of cot 5?/3?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3 Discuss
- 9. If sin3A = x, then value of x is
Options- A. 3sinA + 4sin3A
- B. 4sin3A - 3sinA
- C. 4sin3A + sinA
- D. 3sinA - 4sin3A Discuss
- 10. If 7x + 6y = 5xy and 10x - 4y = 4xy, then value of x and y is
Options- A. 3, 2
- B. 2, 3
- C. 4, 2
- D. 5, 6 Discuss
Simplification problems
Search Results
Correct Answer: (sin2A - sin2B)/(cos2A cos2B)
Correct Answer: 108a3b3
Correct Answer: -2
Correct Answer: ?(1 - cos2A)
Correct Answer: x(x + 2) -15 = x(x - 5) + 11
Correct Answer: 2a2 + 4b + 7c + 1
Correct Answer: -4
Correct Answer: -1/?3
Correct Answer: 3sinA - 4sin3A
Correct Answer: 4, 2
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