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  • Question

  • What is the value of 4cos90-A sin390+A - 4sin90+A cos390-Acos180+8A2 ?


  • Options
  • A. 1
  • B. -1
  • C. 0
  • D. 2

  • Correct Answer
  • -1 

    • Tags: Bank Exams

    Simplification problems

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    • 1. Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

    • Options
    • A. xy
    • B. ?( y/ x)
    • C. ?( x/ y)
    • D. ?( xy)
      • Discuss
    • 2. What is the value of [tan2 (90 ? ?) ? sin2 (90 ? ?)] cosec2 (90 ? ?) cot2 (90 ? ?)?

    • Options
    • A. 0
    • B. 1
    • C. -1
    • D. 2
      • Discuss
    • 3. What is the value of cos [(180 ? ?)/2] cos [(180 ? 9?)/2] + sin [(180 ? 3?)/2] sin [(180 ? 13?)/2]?

    • Options
    • A. sin 2? sin 4?
    • B. cos 2? cos 6?
    • C. sin 2? sin 6?
    • D. cos 2? cos 4?
      • Discuss
    • 4. What is the value of sin (B ? C) cos (A ? D) + sin (A ? B) cos (C ? D) + sin (C ? A) cos (B ? D)?

    • Options
    • A. 3/2
    • B. ? 3
    • C. 1
    • D. 0
      • Discuss
    • 5. What is the value of (4/3) cot2 (p/6) + 3 cos2 (150) ? 4 cosec2 45 + 8 sin (p/2)?

    • Options
    • A. 25/4
    • B. 1
    • C. ? 7/2
    • D. 13/2
      • Discuss
    • 6. The cube root of .000216 is:

    • Options
    • A. .6
    • B. .06
    • C. 77
    • D. 87
      • Discuss
    • 7. If x = 7-43 then find the value of x+1x?

    • Options
    • A. 3sqrt{3}
    • B. 8sqrt{3}
    • C. 14
    • D. 14+8sqrt{3}
      • Discuss
    • 8. If 0.00000676=0.0026 then 6760000 is:

    • Options
    • A. 2.6
    • B. 26
    • C. 260
    • D. 2600
      • Discuss
    • 9. A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:

    • Options
    • A. 57
    • B. 67
    • C. 77
    • D. 87
      • Discuss
    • 10. The value of 10+25+108+154+225 is:

    • Options
    • A. 4
    • B. 6
    • C. 8
    • D. 10
      • Discuss

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