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  • Question
  • What is the value 32cos 39sin 51-sin239 + sin251


  • Options
  • A. 1/2
  • B. 5/2
  • C. 0
  • D. Both 1/2 and 5/2

  • Correct Answer
  • Both 1/2 and 5/2 

  • Tags: Bank Exams

    Simplification problems


    Search Results


    • 1. If cosec2 ? = 625/576 , then what is the value of [(sin ? ? cos ?)/(sin ? + cos ?)]?

    • Options
    • A. 1
    • B. 31/17
    • C. 17/31
    • D. 14/25
    • Discuss
    • 2. If x - 1/x = 1 then what is the value of 1x1x-1-1x+1+1x2+1-1x2-1?

    • Options
    • A. ±?5
    • B. 2/5
    • C. ±2/?5
    • D. ±?5/2
    • Discuss
    • 3. If x+y+z = 0, then what is the value of x23z+y33xz+z23x ?

    • Options
    • A. 0
    • B. xz
    • C. y
    • D. 3y
    • Discuss
    • 4. If x = 2+32-3 , then what is the value of x2+x-9 ?

    • Options
    • A. 0
    • B. 3?2
    • C. 3?3
    • D. 5?3
    • Discuss
    • 5. If x + y = 5, x3 + y3 = 35 , then what is the positive difference between x and y?

    • Options
    • A. 0
    • B. 1
    • C. 5
    • D. 6
    • Discuss
    • 6. What is (x-y)3+y-23+z-x33x-yy-zz-x =?

    • Options
    • A. 1
    • B. 0
    • C. 1/3
    • D. 3
    • Discuss
    • 7. If ax= by= cz and b2= ac , then what is 1x+1z equal to ?

    • Options
    • A. 1/y
    • B. -1/y
    • C. 2/y
    • D. -2/y
    • Discuss
    • 8. If p and q are the roots of the equation x2 ?15x + r = 0 and p ?q = 1, then what is the value of r ?

    • Options
    • A. 55
    • B. 56
    • C. 60
    • D. 64
    • Discuss
    • 9. If 3 tan ? = cot ? where 0 < ? < ?/2 , then what is the value of ? ?

    • Options
    • A. ?/6
    • B. ?/4
    • C. ?/2
    • D. 1
    • Discuss
    • 10. What is the value of sin225°+ sin265° ?

    • Options
    • A. 0
    • B. 1
    • C. 2
    • D. 4
    • Discuss


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