Trigonometry Practice Question and Answer

Q:

यदि sec -5π/4 = x  है तो x का मान होगा।

1397 0

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

Q:

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

1387 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 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।

1382 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:

$${tanθ−secθ+1\over tanθ+secθ-1}$$ का मान क्या है

1379 0

  • 1
    secθ+tanθ
    Correct
    Wrong
  • 2
    $${1+sinθ\over cosθ}$$
    Correct
    Wrong
  • 3
    2 secθ
    Correct
    Wrong
  • 4
    $${cosθ \over 1+sinθ }$$
    Correct
    Wrong
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Answer : 4. "$${cosθ \over 1+sinθ }$$"

Q:

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

1378 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 tanθ=1/5  है तो Cosec2θ का मान ज्ञात कीजिये?

1377 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 0 ≤ θ ≤ 900 and 4cos2θ - $$4{\sqrt { 3} \ }cosθ$$ + 3 = 0, है, तो का मान θ होगा?

1369 0

  • 1
    $$30^0$$
    Correct
    Wrong
  • 2
    $$90^0$$
    Correct
    Wrong
  • 3
    $$45^0$$
    Correct
    Wrong
  • 4
    $$60^0$$
    Correct
    Wrong
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Answer : 1. "$$30^0$$"

Q:

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

1356 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. "$$ {1\over 4}$$"

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