Trigonometry Question and Answers Practice Question and Answer

Q:

sin2 10 + sin2 20 + sin2 30 + ....... + sin2 80.┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЛрдВ?

5372 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "4"

Q:

рдпрджрд┐┬а $$ {Cos^4╬╕ +Sin^4╬╕}={2 \over3} $$ рддреЛ рдХрд╛ рдорд╛рди $$ {Cos^2╬╕ -Sin^2╬╕+1}$$ рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

2664 0

  • 1
    $$ {13 \over15} $$
    Correct
    Wrong
  • 2
    $$ {14\over15} $$
    Correct
    Wrong
  • 3
    $$ {15 \over14} $$
    Correct
    Wrong
  • 4
    $$ {15 \over13} $$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "$$ {15 \over13} $$"

Q:

рдпрджрд┐┬аcos2╬▒ +┬аcos2╬▓ = 2,┬арддреЛ┬аtan3 ╬▒ + sin5 ╬▓┬ардХрд╛ рдорд╛рди рд╣реИ┬а?┬а

2656 0

  • 1
    тАУ 1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$ {1\over тИЪ3 } $$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "0"

Q:

рдпрджрд┐ $$ sin θ ={20 \over 29}$$,  рд╣реИ  рддреЛ sec θ sin θ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

2522 2

  • 1
    $$ {20 \over 21}$$
    Correct
    Wrong
  • 2
    $$ {29 \over 20}$$
    Correct
    Wrong
  • 3
    $$ {21 \over 20}$$
    Correct
    Wrong
  • 4
    $$ {21 \over 29}$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$ {20 \over 21}$$"

Q:

рд░рд┐рдХреНрдд рд╕реНрдерд╛рди рднрд░реЗрдВ:

Sin A = ____ ├Ч (Cos A)┬а

2476 0

  • 1
    Sin A
    Correct
    Wrong
  • 2
    Tan A
    Correct
    Wrong
  • 3
    Cot A
    Correct
    Wrong
  • 4
    Cosec A
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Tan A "

Q:

рджрд┐рдП рдЧрдП рд╕рдореАрдХрд░рдг рдХреЛ рд╣рд▓ рдХреАрдЬрд┐рдПред

$$ {{cot \ 30┬░}\over {1+sin\ 45┬░}}+{{1+sin\ 45┬░}\over cot \ 30┬░}=?$$

2276 0

  • 1
    $$ {5\sqrt{3}}-{6\sqrt{6}}\over 6$$
    Correct
    Wrong
  • 2
    $$ {3-2\sqrt{3}}$$
    Correct
    Wrong
  • 3
    $$ {14\sqrt{3}}-{5\sqrt{6}}\over 6$$
    Correct
    Wrong
  • 4
    $$ {6\sqrt{6}}-{5\sqrt{3}}\over 6$$
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "$$ {14\sqrt{3}}-{5\sqrt{6}}\over 6$$"

Q:

16 tan2 ╬╕ + 25cot2 ╬╕┬ардХрд╛ рдорд╛рди рдиреНрдпреВрдирддрдо рдорд╛рди рд╣реЛрдЧрд╛тАФ

1971 0

  • 1
    5
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "40"

Q:

рдпрджрд┐┬а┬аsin╬╕ + cosec╬╕ = 2┬ард╣реИ рддреЛ┬а$$ sin^9 ╬╕ +cosec^9╬╕ $$┬а┬ардХрд╛ рдорд╛рди рд╣реИред

1805 0

  • 1
    4
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "2"

      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