Discussion
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- Question
What is the value of ?[(1 - cosA)/(1 + cosA)]?
Options- A. cosecA - cotA
- B. cosecA + cotA
- C. secA - cotA
- D. secA + cotA
- Correct Answer
- cosecA - cotA
- 1. If cotA/?(1 + cot2A) = x , then the value of x is
Options- A. sinA
- B. cosecA
- C. secA
- D. cosA Discuss
- 2. What is the value of tan 300°?
Options- A. -1/2
- B. -1/?2
- C. -?3
- D. -?3/2 Discuss
- 3. For triangle ABC, find equation of median AD if co-ordinates of points A, B and C are (2,4), (3,0) and (5,2) respectively?
Options- A. 3x - 2y = 14
- B. 3x - 2y = 2
- C. 3x + 2y = 14
- D. 3x + 2y = 2 Discuss
- 4. Reflection of the point (1,4) in the xaxis is
Options- A. (1,4)
- B. (1,-4)
- C. (-1,4)
- D. (-1,-4) Discuss
- 5. If 5x - 3(4 x) < 4x - 4 < 4x + 2x/3; then the value of x is
Options- A. -7
- B. 3
- C. 4
- D. 1 Discuss
- 6. On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?
Options- A. 2648
- B. 2636
- C. 2684
- D. 2672 Discuss
- 7. If a + b = 8 and a2 + b2 = 34 , then value of ab is
Options- A. 30
- B. 64
- C. 98
- D. 15 Discuss
- 8. If 7x + 2 ? x - 2 and 7 + 2x ? 3 + 3x; then x can take which of the following values?
Options- A. 5
- B. 3
- C. -3
- D. -5 Discuss
- 9. If (1 + cosA)/(1 - cosA) = x, then x is
Options- A. cot2A/(secA - 1)2
- B. cot2A/(secA + 1)2
- C. tan2A/(secA + 1)2
- D. tan2A/(secA - 1)2 Discuss
- 10. Which of the following quadratic equations has real roots?
Options- A. 4x2 - 3x + 6 = 0
- B. 2x2 + 7x + 6 = 0
- C. x2 - 2x + 4 = 0
- D. 3x2 - 4x + 3 = 0 Discuss
Simplification problems
Search Results
Correct Answer: cosA
Correct Answer: -?3
Correct Answer: 3x - 2y = 14
Correct Answer: (-1,-4)
Correct Answer: 1
Correct Answer: 2672
Correct Answer: 15
Correct Answer: 3
Correct Answer: tan2A/(secA - 1)2
Correct Answer: 2x2 + 7x + 6 = 0
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