Trigonometry Question and Answers Practice Question and Answer

Q:

$$ {tan7°tan23°tan60°tan67°tan83°}$$ के बराबर है—

902 0

  • 1
    0
    Correct
    Wrong
  • 2
    $$ \sqrt{3}$$
    Correct
    Wrong
  • 3
    $$ 1\over \sqrt{3}$$
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 2. "$$ \sqrt{3}$$"

Q:

$$ {25 cosec^{2}θ +25sin^{2}θ}$$ का न्यूनतम मान होगा?

901 0

  • 1
    25
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    55
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "50"

Q:

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

900 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:

यदि a(tanθ+cotθ)=1, sinθ+cosθ=b और 0°<θ<90°,  है तो a और b के बीच सम्बंध होगा।

899 0

  • 1
    $$ {2a={b^2}}+1$$
    Correct
    Wrong
  • 2
    $$ {b^2=2({a-1}})$$
    Correct
    Wrong
  • 3
    $$ {2a={b^2-1}}$$
    Correct
    Wrong
  • 4
    $$ {b^2=2({a+1}})$$
    Correct
    Wrong
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Answer : 3. "$$ {2a={b^2-1}}$$"

Q:

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

898 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 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"

Q:

The value of $$ {2(1-sin^{2}θ)}+{2(1-cos^{2}θ)}$$. 

891 0

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

Q:

यदि a=tanθ + 1 और b=sinθ+cosθ है तो (b2-1)a का मान होगा—

889 0

  • 1
    ab
    Correct
    Wrong
  • 2
    2bsecθ
    Correct
    Wrong
  • 3
    2b
    Correct
    Wrong
  • 4
    2bsin θ
    Correct
    Wrong
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Answer : 4. "2bsin θ"

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