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  • Question
  • ? is a positive acute angle and sin? cos? = 0, then the value of sec? + cosec? is


  • Options
  • A. 2
  • B. ?2
  • C. 2?2
  • D. 3?2

  • Correct Answer
  • 2?2 

  • Tags: Bank Exams

    Simplification problems


    Search Results


    • 1. If a = ?2 + 1, b = ?2 - 1 then the value of 1a+1+1b+1 ?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 2. If 1aa2+1 = 3, then the value of a6+1a3 is

    • Options
    • A. 9
    • B. 18
    • C. 27
    • D. 1
    • Discuss
    • 3. If (x+1/x) = 5, then the value of 5xx2+5x+1 ?

    • Options
    • A. 1/3
    • B. 1/4
    • C. 1/2
    • D. 1/5
    • Discuss
    • 4. The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. ?3
    • Discuss
    • 5. If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to

    • Options
    • A. -1
    • B. 1
    • C. -2
    • D. 2
    • Discuss
    • 6. The value of 2 Tan53°Cot37°-Cot80°Tan10° ?

    • Options
    • A. 3
    • B. 2
    • C. 1
    • D. 0
    • Discuss
    • 7. If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to

    • Options
    • A. -12
    • B. 0
    • C. 8
    • D. 12
    • Discuss
    • 8. If 2x+13x = 5 , the value of 5x6x2+20x+1 is

    • Options
    • A. 1/4
    • B. 1/6
    • C. 1/5
    • D. 1/7
    • Discuss
    • 9. If cos 27° = x, the value of tan 63° is

    • Options
    • A. x1-x2
    • B. x1+x2
    • C. 1-x2x
    • D. 1+x2x
    • Discuss
    • 10. If a + b = 10 and ab = 21, then the value of (a - b)2 is

    • Options
    • A. 15
    • B. 16
    • C. 17
    • D. 18
    • Discuss


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