Trigonometry Practice Question and Answer

Q:

(1+sinα) (1-sinβ) (1+sinγ)= (1-sinα) (1-sinβ) (1-sinγ)=?

681 0

  • 1
    ±cosαcosβcosγ
    Correct
    Wrong
  • 2
    ±sinαsinβsinγ
    Correct
    Wrong
  • 3
    ±sinαcosβsecγ
    Correct
    Wrong
  • 4
    ±sinαsinβcosγ
    Correct
    Wrong
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Answer : 1. "±cosαcosβcosγ"

Q:

x cosθ-y sinθ=2 और x sinθ + ycosθ = 4  में से θ हटाने पर कोनसा कथन सत्य होगा ?

629 0

  • 1

    x2+y2=20

    Correct
    Wrong
  • 2

    3x2+y2=20

    Correct
    Wrong
  • 3

    x2-y2=20

    Correct
    Wrong
  • 4

    3x2-y2=10

    Correct
    Wrong
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Answer : 1. "

x2+y2=20

"

Q:

θθθθ  है, तो sinθ का मान किसके बराबर है।

547 0

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

Q:

यदि x = a secθ cos∅, y = b secθ sin∅, z=c tanθ, तो  का मान क्या होगा?

571 0

  • 1
    1
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 1. "1"

Q:

यदि θ धनात्मक न्यूनकोण हो और 5 cosθ + 12 sinθ = 13 हो, तो cosθ का मान ज्ञात कीजिए ?

808 0

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

Q:

यदि p = cosec θ – cot θ and q = (cosec θ + cot θ)-1 तो निम्नलिखित में से कौन सा सही है?

644 0

  • 1
    p - q = 1
    Correct
    Wrong
  • 2
    p = q
    Correct
    Wrong
  • 3
    p + q = 1
    Correct
    Wrong
  • 4
    p + q = 0
    Correct
    Wrong
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Answer : 2. "p = q "

Q:

व्यंजक का मान क्या है?

(tan0° tan1° tan2° tan3° tan4° …… tan89°)

610 0

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

Q:

sin (1920°) का मान ज्ञात कीजिए।

635 0

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

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