Discussion
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- Question
What is the value of cot210°?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3
- Correct Answer
- ?3
- 1. If (36 - 16x) - (4x - 8) = 4, then the value of x is
Options- A. 4
- B. 2
- C. 6
- D. 3 Discuss
- 2. If 2(3x-2) < 6-3x and 6x + 2(6-x) > 2x-2, then x can take which of the following values?
Options- A. -8
- B. 5
- C. 8
- D. -5 Discuss
- 3. What is the equation of the line passing through the point (2,-3) and making an angle of -45°with the positive X-axis?
Options- A. x - y = -5
- B. x - y = -1
- C. x + y = -5
- D. x + y = -1 Discuss
- 4. If tan? = 815, then 1-sin?1+sin? is
Options- A. 1/5
- B. 2/5
- C. 3/5
- D. 0 Discuss
- 5. If 2x+29x = 4 , then the value of 27x3+127x3
Options- A. 180
- B. 198
- C. 234
- D. 252 Discuss
- 6. 199994 x 200006 = ?
Options- A. 39999799964
- B. 39999999864
- C. 39999999954
- D. 39999999964 Discuss
- 7. If cotA + cotB = x, then value of x is
Options- A. (cotAcotB + 1)/(cotB - cotA)
- B. (cotAcotB + 1)/(cotB + cotA)
- C. (cotAcotB - 1)/(cotB + cotA)
- D. (cotAcotB - 1)/(cotB - cotA) Discuss
- 8. If tan2A - sin2A = x , then value of x is
Options- A. tan2A sin2A
- B. cot2A cosec2A
- C. tanA sinA
- D. cotA cosecA Discuss
- 9. If xy = 22 and x2+ y2= 100 , then what will be the value of (x + y)?
Options- A. 12
- B. 144
- C. 72
- D. 6 Discuss
- 10. The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?
Options- A. x = -7; y = 7
- B. x = 3; y = -3
- C. x = 7; y = -7
- D. x = -3; y = 3 Discuss
Simplification problems
Search Results
Correct Answer: 2
Correct Answer: -5
Correct Answer: x + y = -1
Correct Answer: 3/5
Correct Answer: 198
Correct Answer: 39999999964
Correct Answer: (cotAcotB - 1)/(cotB + cotA)
Correct Answer: tan2A sin2A
Correct Answer: 12
Correct Answer: x = 7; y = -7
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