Trigonometry Question and Answers Practice Question and Answer

Q:

यदि sin2θ - 3sinθ + 2=0, है तो θ(00≤ θ≤900) का मान ज्ञात कीजिए

357 0

  • 1

    450

    Correct
    Wrong
  • 2

    00

    Correct
    Wrong
  • 3

    600

    Correct
    Wrong
  • 4

    900

    Correct
    Wrong
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Answer : 4. "

900

"

Q:

व्यंजक का मान क्या होगा
 cos 2A cos2B+sin2(A-B)-sin2(A+B)?

429 0

  • 1
    sin(2A-2B)
    Correct
    Wrong
  • 2
    cos(2A+2B)
    Correct
    Wrong
  • 3
    cos(2A-2B)
    Correct
    Wrong
  • 4
    sin(2A+2B)
    Correct
    Wrong
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Answer : 2. "cos(2A+2B)"

Q:

यदि $$ cosecθ + cotθ =p $$ है, तो $${p^2-1}\over{p^2+1}$$  का मान है:

370 0

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

Q:

tan 270 tan340 + tan340 tan29+ tan290 tan27का मान ज्ञात कीजिए।

373 0

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

Q:

यदि 4sin2θ=3(1+cosθ),00<θ<900, हो तो (2tanθ+4sinθ-secθ) का मान क्या है?

393 0

  • 1
    $$3\sqrt {15}-4$$
    Correct
    Wrong
  • 2
    $$15\sqrt {3}-4$$
    Correct
    Wrong
  • 3
    $$15\sqrt {3}+4$$
    Correct
    Wrong
  • 4
    $$4\sqrt {15}-3$$
    Correct
    Wrong
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Answer : 1. "$$3\sqrt {15}-4$$"

Q:

$${sin23^0cos67^0+sec52^0sin38^0+cos23^0sin67^0+cosec52^0cos38^0}\over cosec^220^0-tan^270^0$$ का मान है

342 0

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

Q:

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

564 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:

यदि $${(2cos^3 A-cosA)\over (sin A- 2 sin^3 A)=1}$$ तो A का मान क्या है?

643 0

  • 1

    900

    Correct
    Wrong
  • 2

    300

    Correct
    Wrong
  • 3

    450

    Correct
    Wrong
  • 4

    600

    Correct
    Wrong
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Answer : 3. "

450

"

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