Trigonometry Practice Question and Answer

Q:

यदि 1 + sin2 A = 3 sin A cos A तो tan A मान ज्ञात कीजिये।

977 0

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

Q:

$$ {(sec^{2}θ+tanθ\cotθ-tan^{2}θ)}$$ का मान होगा।

943 0

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

Q:

$$ \sqrt{(1-sin^{2}θ) ÷(1-cos^{2}θ)}$$ सरल कीजिए।

939 0

  • 1
    Cot θ
    Correct
    Wrong
  • 2
    Tan θ
    Correct
    Wrong
  • 3
    Sec θ
    Correct
    Wrong
  • 4
    Cosec θ
    Correct
    Wrong
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Answer : 1. "Cot θ"

Q:

ΔABC में, θ एक न्यूनकोण है और tanθ, cotθ का तीगुना है । $$ {sin^{2}θ+cosec^{2}θ-{1\over 2}cot^{2}θ}$$ का मान ज्ञात कीजिए।

933 0

  • 1
    $$ {23\over 12}$$
    Correct
    Wrong
  • 2
    $$ {23\over 9}$$
    Correct
    Wrong
  • 3
    $$ {23\over 11}$$
    Correct
    Wrong
  • 4
    $$ {23\over 8}$$
    Correct
    Wrong
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Answer : 1. "$$ {23\over 12}$$"

Q:

यदि 3 tan θ - 4 = 0 और 180° < θ < 270° तो cosec θ = _______

921 0

  • 1
    $$- {5\over4}$$
    Correct
    Wrong
  • 2
    $$ {4\over5}$$
    Correct
    Wrong
  • 3
    $$ -{4\over5}$$
    Correct
    Wrong
  • 4
    $$-{5\over4}$$
    Correct
    Wrong
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Answer : 1. "$$- {5\over4}$$"

Q:

यदि cos θ + sin θ =m, sec θ + cosec θ =n है तो m/n कितना है।

913 0

  • 1
    1
    Correct
    Wrong
  • 2
    sin θ cos θ
    Correct
    Wrong
  • 3
    sec θ cosec θ
    Correct
    Wrong
  • 4
    cot θ tan θ
    Correct
    Wrong
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Answer : 2. "sin θ cos θ"

Q:

(secA – 1)/(secA + 1) के बराबर है।

913 0

  • 1
    (1 – sinA)/(1 + sinA)
    Correct
    Wrong
  • 2
    (1 – cosA)/(1 + cosA)
    Correct
    Wrong
  • 3
    (1 + cosA)/(1 – cosA)
    Correct
    Wrong
  • 4
    (1 + sinA)/(1 – sinA)
    Correct
    Wrong
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Answer : 2. "(1 – cosA)/(1 + cosA)"

Q:

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

913 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. "$$ \sqrt{3}$$"

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