Trigonometry Question and Answers Practice Question and Answer

Q:

यदि tanθ=1/5  है तो Cosec2θ का मान ज्ञात कीजिये?

1448 0

  • 1
    5
    Correct
    Wrong
  • 2
    $$ \sqrt{5}$$
    Correct
    Wrong
  • 3
    $$ \sqrt{6}$$
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 4. "6"

Q:

यदि cosec 39°= x है तो का $$ {1\over {cosec^{2}{51°}}} +sin^{2} 39^{°}+tan^{2}{51^{°}}-{1\over {sin^{2}{51^{°}}}{Sec^{2}{39^{°}}}}$$ मान होगा।

1436 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
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Answer : 3. "$$ {x^{2}-1}$$"

Q:

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

1433 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 cosec θ=1.25  है तब $$ {4 \ tanθ-5 \ cosθ + 1\over secθ+ 4cotθ-1}=?$$ होगा?

1431 0

  • 1
    $$ {9\over 10}$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    $$ {10\over 11}$$
    Correct
    Wrong
  • 4
    $$ {1\over 2}$$
    Correct
    Wrong
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Answer : 3. "$$ {10\over 11}$$"

Q:

$$ {cosecθ\sqrt{1-cos^2θ}}$$. का मान क्या होगा?

1429 0

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

Q:

यदि 2sinθ+ 15 cos2θ=7, 0°˂θ˂90°, है तो तब  $$ {3-tanθ\over 2+tanθ}$$ का मान क्या होगा?

1427 0

  • 1
    $$ {1\over 4}$$
    Correct
    Wrong
  • 2
    $$ {3\over 4}$$
    Correct
    Wrong
  • 3
    $$ {1\over 2}$$
    Correct
    Wrong
  • 4
    $$ {5\over 8}$$
    Correct
    Wrong
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Answer : 3. "$$ {1\over 2}$$"

Q:

यदि $$ {sin\ θ\ cosec\  θ\over tan θ}=4 $$   है तो tan θ  का मान ज्ञात किजिए।

1426 0

  • 1
    4
    Correct
    Wrong
  • 2
    $$ {1\over 4}$$
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 2. "$$ {1\over 4}$$"

Q:

$$\left({1\over {sin 60°}} \right)^{2} + (cos 30°)^{2} \over(tan 45°)^{2}$$ का मान ज्ञात कीजिये।

1423 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
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Answer : 2. "$$ {25\over 12}$$"

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