Trigonometry Practice Question and Answer

Q:

यदि 3sin2θ – cosθ-1=0, 00< θ<900 है, तो cot θ + cosec θ का मान क्या है?

358 0

  • 1
    $${3\sqrt { 2} }\over 2$$
    Correct
    Wrong
  • 2
    $${2\sqrt { 3} }$$
    Correct
    Wrong
  • 3
    $${\sqrt { 5} }$$
    Correct
    Wrong
  • 4
    $${2\sqrt { 5} }$$
    Correct
    Wrong
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Answer : 3. "$${\sqrt { 5} }$$"

Q:

यदि $${secA={5\over 4}}$$ है, तो $${{tanA}\over 1+tan^2A}-{sinA\over secA}$$ का मान क्या है?

530 0

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

Q:

यदि $$cosθ + cos^2θ= 1$$है, तो $$\sqrt {sin^4θ+cos^2θ} \ $$का मान क्या है?

386 0

  • 1
    $$\sqrt {2cosθ} \ $$
    Correct
    Wrong
  • 2
    $$\sqrt {2sinθ} \ $$
    Correct
    Wrong
  • 3
    2 cosθ
    Correct
    Wrong
  • 4
    2 sinθ
    Correct
    Wrong
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Answer : 1. "$$\sqrt {2cosθ} \ $$"

Q:

यदि $$ sinA= {4\over 5}$$है, तो $$sin^2A$$ का मान क्या है?

378 0

  • 1
    $$16\over 25$$
    Correct
    Wrong
  • 2
    $$26\over 25$$
    Correct
    Wrong
  • 3
    $$48\over 25$$
    Correct
    Wrong
  • 4
    $$36\over 25$$
    Correct
    Wrong
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Answer : 1. "$$16\over 25$$"

Q:

यदि 2sinθ + 2sin2θ = 2, तो 2 cos4θ + 2cos2θ का मान है:

536 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:

यदि sec θ − tan θ हो तो sec θ + tan θ = $$ \sqrt { 5} $$ का मान ज्ञात कीजिए 

375 0

  • 1
    $$5{1\over 5}$$
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    $$5{1\over 5}$$
    Correct
    Wrong
  • 4
    $$\sqrt { 2} \ $$
    Correct
    Wrong
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Answer : 3. "$$5{1\over 5}$$"

Q:

$${1+sinθ}\over cosθ $$  निम्नलिखित में से किसके बराबर है (जहाँ $$θ ≠ {π\over2} $$)

486 0

  • 1
    $${1+cosθ}\over sinθ $$
    Correct
    Wrong
  • 2
    $${tan θ+1}\over tan θ-1 $$
    Correct
    Wrong
  • 3
    $${tan θ-1}\over tan θ+1 $$
    Correct
    Wrong
  • 4
    $$cosθ \over {1-sinθ}\ $$
    Correct
    Wrong
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Answer : 4. "$$cosθ \over {1-sinθ}\ $$"

Q:

△ABC, B पर समकोण त्रिभुज है और tan A = $$3\over 4$$, तो sin A + sin B + sin C इसके बराबर होगा:

435 0

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

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