Trigonometry Practice Question and Answer

Q:

$$\left({1\over {sin 60┬░}} \right)^{2} + (cos 30┬░)^{2} \over(tan 45┬░)^{2}$$┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдпреЗред

1006 0

  • 1
    $$ {25\over 9}$$
    Correct
    Wrong
  • 2
    $$ {25\over 12}$$
    Correct
    Wrong
  • 3
    $$ {25\over 4}$$
    Correct
    Wrong
  • 4
    $$ {5\over 9}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$$ {25\over 12}$$"

Q:

$$ {3sin30┬░- 4sin^{3}30┬░}$$┬ардХрд╛ рдорд╛рди рд╣реИред

1429 0

  • 1
    Sin30┬░
    Correct
    Wrong
  • 2
    Cos60┬░
    Correct
    Wrong
  • 3
    sin90┬░
    Correct
    Wrong
  • 4
    Cos90┬░
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "sin90┬░"

Q:

The value┬аof┬а$$ {2(1-sin^{2}╬╕)}+{2(1-cos^{2}╬╕)}$$.┬а

895 0

  • 1
    1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "2"

Q:

$$ {3sin60┬░-4sin^{3}60┬░=?}$$.

805 0

  • 1
    $$ {2\sqrt{3}}$$
    Correct
    Wrong
  • 2
    $$ {4\sqrt{3}}$$
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "0"

Q:

$$ {3tan^{2}30┬░}-{4\over 3}{sin^{2}60┬░}- {1\over2}{cosec^{2}45┬░}+{4\over3}{sin^{2}90┬░=?}$$.

848 0

  • 1
    $$ {2\over3}$$
    Correct
    Wrong
  • 2
    $$ {1\over3}$$
    Correct
    Wrong
  • 3
    $$ {4\over3}$$
    Correct
    Wrong
  • 4
    $$ {5\over4}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "$$ {1\over3}$$"

Q:

$$ cot\ {╧А\over 20}\ cot{3╧А\over 20} \cot{5╧А\over20}\ cot{7╧А\over 20}\ cot {9╧А\over20}$$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1298 0

  • 1
    -1
    Correct
    Wrong
  • 2
    $$ {1\over 2}$$
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "1"

Q:

рдпрджрд┐┬а$$ {2\ sin╬╕-cos ╬╕\over {cos╬╕+sin╬╕}}=1$$,┬ард╣реИ рддреЛ┬аcot╬╕┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛ред

1145 0

  • 1
    $$ {1\over2}$$
    Correct
    Wrong
  • 2
    $$ {1\over3}$$
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$ {1\over2}$$"

Q:

рдпрджрд┐┬аcosec 39┬░= x┬ард╣реИ рддреЛ рдХрд╛┬а$$ {1\over {cosec^{2}{51┬░}}} +sin^{2} 39^{┬░}+tan^{2}{51^{┬░}}-{1\over {sin^{2}{51^{┬░}}}{Sec^{2}{39^{┬░}}}}$$┬ардорд╛рди рд╣реЛрдЧрд╛ред

1019 0

  • 1
    $$ {\sqrt{x^{2}-1}}$$
    Correct
    Wrong
  • 2
    $$ {\sqrt{1-x^{2}}}$$
    Correct
    Wrong
  • 3
    $$ {x^{2}-1}$$
    Correct
    Wrong
  • 4
    $$ {1-x^{2}}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$ {x^{2}-1}$$"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully