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  • Question
  • If (1 - cosA)/(1 + cosA) = x, then the value of x is


  • Options
  • A. (cotA + cosecA)2
  • B. (cotA - cosecA)2
  • C. cotA - cosecA
  • D. cotA + cosecA

  • Correct Answer
  • (cotA -­ cosecA)2 

  • Tags: Bank Exams

    Simplification problems


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    • 1. If cot(A/2) = x, then the value of x is

    • Options
    • A. ?[(1 + cosA)/(1 - cosA)]
    • B. cosecA - cotA
    • C. ?[(1 - cosA)/2]
    • D. ?[(1 + cosA)/2]
    • Discuss
    • 2. ? XYZ is right angled at Y. If tanX = 15/8, then what is the value of sinZ ?

    • Options
    • A. 15/17
    • B. 17/8
    • C. 17/15
    • D. 8/17
    • Discuss
    • 3. What is the value of ( 1/3 - cot60°) ?

    • Options
    • A. (2-?3)/2?3
    • B. (?2-1)/?2
    • C. (1-?3)/3
    • D. (?3-4)/2?3
    • Discuss
    • 4. Sumit and Amit undertook a work for Rs 7200. Sumit alone can do the work in 5 days and Amit alone can do the work in 4 days. If they work together,then what will be the difference (in Rs.) in the amount they receive?

    • Options
    • A. 800
    • B. 1600
    • C. 1200
    • D. 1400
    • Discuss
    • 5. What is the value of the expression a3 - 5 + 2816a , when a = 2?

    • Options
    • A. 2
    • B. 5
    • C. 7
    • D. 8
    • Discuss
    • 6. Find equation of the perpendicular bisector of segment joining the points (2,6) and (4,0)?

    • Options
    • A. x + 3y = 6
    • B. x + 3y = -6
    • C. x - 3y = -6
    • D. x - 3y = 6
    • Discuss
    • 7. Coefficient of x in (x + 8)(6 - 3x) is

    • Options
    • A. 18
    • B. 30
    • C. -18
    • D. -30
    • Discuss
    • 8. If x + y = 10 and x2 + y2 = 68 , then find xy

    • Options
    • A. 21
    • B. 24
    • C. 25
    • D. 16
    • Discuss
    • 9. If 5x + 4(1 - x) > 3x - 4 > 5x/3 - x/3; then x can take which of the following values?

    • Options
    • A. 2
    • B. 1
    • C. 3
    • D. -2
    • Discuss
    • 10. Shaan got a total of Rs. 912 in the denomination of equal numbers of Rs. 1, Rs. 5 and Rs. 10 coins. How many coins do Shaan posses?

    • Options
    • A. 16
    • B. 57
    • C. 171
    • D. 323
    • Discuss


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