Discussion
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- Question
If 1/(cosecA cotA) = x, then the value of x is
Options- A. cosecA + cotA
- B. cosecA - cotA
- C. cosec2A + cot2A
- D. ?[cosec2A + cot2A]
- Correct Answer
- cosecA + cotA
- 1. If (tanA + tanB)/(1 tanAtanB) = x, then the value of x is
Options- A. tan(A + B)
- B. tan(A - B)
- C. cot(A + B)
- D. cot(A - B) Discuss
- 2. If sin - 5?/3 = x, then the value of x is
Options- A. -?3/2
- B. ?3/2
- C. -2
- D. -2/?3 Discuss
- 3. What is the slope of the line perpendicular to the line passing through the points (8,2) and (3,1)?
Options- A. 5
- B. 3/5
- C. 5/3
- D. 1/5 Discuss
- 4. If 2x + 3y = 0 and 3x - 4y = 34, then x - y = ______
Options- A. 10
- B. -10
- C. 2
- D. -2 Discuss
- 5. If 5 3x < 4 x and 5(2 x) > 2 2x, then x can take which of the following values?
Options- A. 0
- B. 1
- C. 3
- D. -1 Discuss
- 6. Which of the following is correct?
Options- A. (4x - 5y)2 = 16x2 - 20xy + 25y2
- B. (4x - 5y)2 = 16x2 + 40xy - 25y2
- C. (4x - 5y)2 = 16x2 - 40xy + 25y2
- D. (4x - 5y)2 = 16x2 - 20xy - 25y2 Discuss
- 7. If 5x + 5 > 2 + 2x and 5x + 3 ? 4x + 5; then x can take which of the following values?
Options- A. 3
- B. -2
- C. -3
- D. 1 Discuss
- 8. What is the value of sin 5?/3?
Options- A. ?3/2
- B. 2/?3
- C. 1/?3
- D. -2/?3 Discuss
- 9. cos3A is equal to
Options- A. cos3A - 3sin2cosA
- B. cos3A + 4sin2cosA
- C. cos3A + 3sin2cosA
- D. cos3A - 4sin2cosA Discuss
- 10. 2 sec2A is equal to
Options- A. (1 - tanA)2 - (1 + tanA)2
- B. ?[(1 - tanA)2 + (1 + tanA)2 ]
- C. ?[(1 - tanA)2 - (1 + tanA)2]
- D. (1 - tanA)2 + (1 + tanA)2 Discuss
Simplification problems
Search Results
Correct Answer: tan(A + B)
Correct Answer: ?3/2
Correct Answer: 5
Correct Answer: 10
Correct Answer: 1
Correct Answer: (4x - 5y)2 = 16x2 - 40xy + 25y2
Correct Answer: 1
Correct Answer: ?3/2
Correct Answer: cos3A + 3sin2cosA
Correct Answer: (1 - tanA)2 + (1 + tanA)2
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