Aptitude Practice Question and Answer

Q:

(tan2A+ cot2A-2)- sec2A cosec2 A рдХрд╛ рдорд╛рди рд╣реИ:

407 0

  • 1
    -4
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 1. "-4"

Q:

рдпрджрд┐ cos(2╬╕+54┬░) = syn╬╕, 0┬░<(2╬╕-54┬░)<90┬░, рддреЛ┬а$$1\over tan5╬╕+cosec{5╬╕\over 2}$$ рдХрд╛ рдореВрд▓реНрдп рдХреНрдпрд╛ рд╣реИ

448 0

  • 1
    $$3\sqrt { 2}$$
    Correct
    Wrong
  • 2
    $$2-\sqrt { 3}$$
    Correct
    Wrong
  • 3
    $$2\sqrt { 3}$$
    Correct
    Wrong
  • 4
    $$2+\sqrt { 3}$$
    Correct
    Wrong
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Answer : 2. "$$2-\sqrt { 3}$$ "

Q:

рдпрджрд┐ (x + y)3 +8 (x - y)3 = (3x+ Ay)(3x2+ Bxy+ Cy2), рддреЛ A+B+C рдХрд╛ рдорд╛рди рд╣реИ:

396 0

  • 1
    0
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "0"

Q:

$$sin╬╕[(1-tan╬╕)tan╬╕+sec^2╬╕]\over (1-sin╬╕)tan╬╕(1+tan╬╕)(sec╬╕+tan╬╕)$$ рдЗрд╕рдХреЗ рдмрд░рд╛рдмрд░ рд╣реИ:

363 0

  • 1
    cosec╬╕sec╬╕
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    sin╬╕cos╬╕
    Correct
    Wrong
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Answer : 3. "1"

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