Discussion
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- Question
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
- Correct Answer
- -5
- 1. 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
- 2. If tan? = 815, then 1-sin?1+sin? is
Options- A. 1/5
- B. 2/5
- C. 3/5
- D. 0 Discuss
- 3. If 2x+29x = 4 , then the value of 27x3+127x3
Options- A. 180
- B. 198
- C. 234
- D. 252 Discuss
- 4. The value of sin?1+cos? + sin?1-cos?
Options- A. 2sin?
- B. 2cos?
- C. 2sec?
- D. 2cosec? Discuss
- 5. If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k?0 then k =
Options- A. 2
- B. 1
- C. 0
- D. 1/2 Discuss
- 6. If (36 - 16x) - (4x - 8) = 4, then the value of x is
Options- A. 4
- B. 2
- C. 6
- D. 3 Discuss
- 7. What is the value of cot210°?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3 Discuss
- 8. 199994 x 200006 = ?
Options- A. 39999799964
- B. 39999999864
- C. 39999999954
- D. 39999999964 Discuss
- 9. 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
- 10. If tan2A - sin2A = x , then value of x is
Options- A. tan2A sin2A
- B. cot2A cosec2A
- C. tanA sinA
- D. cotA cosecA Discuss
Simplification problems
Search Results
Correct Answer: x + y = -1
Correct Answer: 3/5
Correct Answer: 198
Correct Answer: 2cosec?
Correct Answer: 1/2
Correct Answer: 2
Correct Answer: ?3
Correct Answer: 39999999964
Correct Answer: (cotAcotB - 1)/(cotB + cotA)
Correct Answer: tan2A sin2A
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