Trigonometry Practice Question and Answer

Q:

यदि $$ secθ-tanθ={1\over\sqrt{3}}$$,  है तो secθ.tanθ का मान होगा?

867 0

  • 1
    $$ {4\over\sqrt{3}}$$
    Correct
    Wrong
  • 2
    $$ {2\over\sqrt{3}}$$
    Correct
    Wrong
  • 3
    $$ {2\over3}$$
    Correct
    Wrong
  • 4
    $$ {1\over\sqrt{3}}$$
    Correct
    Wrong
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Answer : 3. "$$ {2\over3}$$ "

Q:

यदि  x cos2300.sin600=$${tan^2{45}^0.sec60^0}\over cosec\ 60^0$$ है तो x का मान होगा ? 

1050 0

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

Q:

यदि  $$ {cosAcotA \over( 1 - sinA ) }=x $$ है, तो x का मान क्या हैं ? 

1055 0

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

Q:

यदि  sinθ-cosθ= \({7\over13}\) और  0º <θ<90°, है तो  sinθ+cosθका मान क्या होगा

1125 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:


1077 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"

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Answer : 1. "80 मी."

Q:

$$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ का मान होगा:

1005 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 :

 Put A=45 degree and we can get answer.

Q:

यदि tan  $$ -{7π\over4}=x $$ है , तो x का मान क्या है ? 

898 0

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

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