Trigonometry Question and Answers Practice Question and Answer

Q:

किसी भी वास्तविक मान के लिए $${\sqrt {secθ-1}\over \sqrt {secθ+1} }=?$$

218 0

  • 1
    cotθ-cosecθ
    Correct
    Wrong
  • 2
    secθ-tanθ
    Correct
    Wrong
  • 3
    cosecθ-cotθ
    Correct
    Wrong
  • 4
    tanθ-secθ
    Correct
    Wrong
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Answer : 3. "cosecθ-cotθ"

Q:

यदि 2sinθ+cosθ= $${7\over3}$$  है, तो (tan2θ-sec2θ)  का मान ज्ञात करें

165 0

  • 1
    0
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    $${3\over7}$$
    Correct
    Wrong
  • 4
    $${7\over3}$$
    Correct
    Wrong
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Answer : 2. "-1"

Q:

$$ {1\over 1+cot2}+{3\over 1+tan^2θ}+2sin^2θ$$  का संख्यात्मक मान होगा –

289 0

  • 1
    2
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 4. "3"

Q:

$$ Sin^{4}θ+Cos^{4}θ $$ का अधिकतम मान होगा?

1436 0

  • 1
    2
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    $$ {1\over2}$$
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

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

280 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 ?

266 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:

$${secθ+tanθ\over secθ-tanθ}={5\over 3}$$  है, तो sinθ का मान किसके बराबर है।

250 0

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

Q:

यदि x = a secθ cos∅, y = b secθ sin∅, z=c tanθ, तो $$ {x^2\over a^2}+{y^2\over b^2}-{z^2\over c^2} $$ का मान क्या होगा?

229 0

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

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