Discussion
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- Question
If Sin ? = 20/29 , then what is the value of Sec Sin ? ?
Options- A. 29/21
- B. 29/20
- C. 21/20
- D. 21/29
- Correct Answer
- 29/21
- 1. What is the value of Tan 45° - 1/?3 Sec 60°?
Options- A. (1 - 2?3)/2
- B. (?2 - ?3)/?6
- C. (3 - 2?3)/3
- D. (1 - 2?2)/2 Discuss
- 2. What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?
Options- A. 3x - 5y = 15
- B. 5x - 3y = 15
- C. 5x + 3y = 15
- D. 3x + 5y = 15 Discuss
- 3. If 9x - [5(2x + 1)/2] = 9/2, then the value of x is?
Options- A. 7/4
- B. -7/4
- C. 4/7
- D. -4/7 Discuss
- 4. 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
- 5. cos3A is equal to
Options- A. cos3A - 3sin2cosA
- B. cos3A + 4sin2cosA
- C. cos3A + 3sin2cosA
- D. cos3A - 4sin2cosA Discuss
- 6. Find the unit place in 194102+294103
Options- A. 0
- B. 6
- C. 8
- D. 2 Discuss
- 7. Determine the value of ?s? for which the equation 5x + 35 = 60x + s has infinite number of solutions.
Options- A. 420
- B. 440
- C. 460
- D. 480 Discuss
- 8. What is the sum of a3+b3+c3-3abc, when the value of a=4, b=2 and c=-6?
Options- A. 0
- B. 2
- C. 4
- D. 6 Discuss
- 9. Which of the following conditions is TRUE for the two line segments AB and CD to be congruent?
Options- A. AB=CD
- B. AB>CD
- C. AB
- D. None of these
Discuss
Correct Answer: AB=CD
- 10. If each median of an equilateral triangle has a length of 12cm. Then what will be the value of in-radius (in cm) of the equilateral triangle?
Options- A. 3
- B. 4
- C. 5
- D. 6 Discuss
Simplification problems
Search Results
Correct Answer: (3 - 2?3)/3
Correct Answer: 5x - 3y = 15
Correct Answer: 7/4
Correct Answer: (1 - tanA)2 + (1 + tanA)2
Correct Answer: cos3A + 3sin2cosA
Correct Answer: 0
Correct Answer: 420
Correct Answer: 0
Correct Answer: 4
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