Trigonometry Practice Question and Answer

Q:

рдпрджрд┐ $$ sec θ ={13 \over 12}$$, рддрдерд╛ θ рдиреНрдпреВрдирдХреЛрдг рд╣реИ, рддреЛ $$ \sqrt { cotθ+tanθ} \ $$ рд╣реИ....

2131 0

  • 1
    $$ {4 \over 13}$$
    Correct
    Wrong
  • 2
    $$ {12 \over 2\sqrt{13}}$$
    Correct
    Wrong
  • 3
    $$ {13 \over 2\sqrt{15}}$$
    Correct
    Wrong
  • 4
    $$ {2 \over 13}$$
    Correct
    Wrong
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Answer : 2. "$$ {12 \over 2\sqrt{13}}$$"

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Answer : 1. "$$ 13\over 12$$"

Q:


1882 0

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

Q:

$$ (x^{b+c})^{b-c}. (x^{c+a})^{c-a}.(x^{a+b})^{a-b}$$ рдХрд╛ рдорд╛рди рд╣реИ рдЬрдм (x тЙа 0)ред

2132 0

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

Q:

рдпрджрд┐┬а sin╬╕-cos╬╕= \({7\over13}\) рдФрд░┬а 0┬║ <╬╕<90┬░,┬ард╣реИ рддреЛ ┬аsin╬╕+cos╬╕рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛

1842 0

  • 1
    \({17\over13}\)
    Correct
    Wrong
  • 2
    \({13\over17}\)
    Correct
    Wrong
  • 3
    \({1\over13}\)
    Correct
    Wrong
  • 4
    \({1\over17}\)
    Correct
    Wrong
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Answer : 1. "\({17\over13}\)"

Q:


1829 0

  • 1
    cosec A
    Correct
    Wrong
  • 2
    cos A
    Correct
    Wrong
  • 3
    secA
    Correct
    Wrong
  • 4
    sinA
    Correct
    Wrong
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Answer : 3. "secA"

Q:

$$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛:

1545 0

  • 1
    $$ {1\over2}$$
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"
Explanation :

┬аPut A=45 degree and we can get answer.

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