Discussion
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- Question
The value of (sec245 - cot245) - (sin230 + sin260) is
Options- A. 1
- B. 2?3
- C. 0
- D. 1/?2
- Correct Answer
- 0
- 1. ?ABC and ?DEF are two similar triangles and the perimeter of ?ABC and ?DEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is
Options- A. 60 cm
- B. 40 cm
- C. 45 cm
- D. 50 cm Discuss
- 2. The value of (1 - ?2) + (?2 - ?3) + (?3 - ?4) + ..... + (?15 - ?16) is
Options- A. 0
- B. 1
- C. -3
- D. 4 Discuss
- 3. The value of aa-b+bb-a is
Options- A. a+b/a-b
- B. -1
- C. 2ab
- D. 1 Discuss
- 4. If Cot ? = 24/7, then what is the value of Sec ??
Options- A. 7/25
- B. 25/24
- C. 8/25
- D. 9/25 Discuss
- 5. What is the value of Cot 60 - Sec 30?
Options- A. -1/3
- B. -1/?3
- C. 1/?3
- D. 1/3 Discuss
- 6. If 4x = ?5+ 2, then the value of x - 1/16x is
Options- A. 1
- B. -1
- C. 4
- D. 2?5 Discuss
- 7. Find the common factor of 3757+ 4357 and 3737+ 4337
Options- A. (43 - 37)
- B. (43 + 37)
- C. 37
- D. 10 Discuss
- 8. For which value of ?g? the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 =0 has infinite number of solutions?
Options- A. 3
- B. 4
- C. 6
- D. 9 Discuss
- 9. ?ABC is right angled at B. If m?A = 45°, then find the value of (cosecC + 1/?3).
Options- A. (3?2+1)/3
- B. (2+?3)/2
- C. 5/?3
- D. (?6+1)/?3 Discuss
- 10. In ?UVW measure of angle V is 90 deg. If cosecU = 13/12, and UV = 2.5cm, then what is the length (in cm) of side VW?
Options- A. 6.5
- B. 6
- C. 4
- D. 5.6 Discuss
Simplification problems
Search Results
Correct Answer: 60 cm
Correct Answer: -3
Correct Answer: 1
Correct Answer: 25/24
Correct Answer: -1/?3
Correct Answer: 1
Correct Answer: (43 + 37)
Correct Answer: 4
Correct Answer: (?6+1)/?3
Correct Answer: 6
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