Trigonometry Practice Question and Answer

Q:

यदि $$ secθ-tanθ={1\over\sqrt{3}}$$,  है तो secθ.tanθ का मान होगा?

1327 0

  • 1
    $$ {4\over\sqrt{3}}$$
    Correct
    Wrong
  • 2
    $$ {2\over\sqrt{3}}$$
    Correct
    Wrong
  • 3
    $$ {2\over3}$$
    Correct
    Wrong
  • 4
    $$ {1\over\sqrt{3}}$$
    Correct
    Wrong
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Answer : 3. "$$ {2\over3}$$ "

Q:

यदि 4sin2 θ – 1 = 0  और कोण θ<900 से कम है । तो cos2 θ + tanθ का मान क्या होगा ?

(माना 00 < θ < 900 ) 

1321 0

  • 1
    $$ 13\over 12$$
    Correct
    Wrong
  • 2
    $$ 12\over 11$$
    Correct
    Wrong
  • 3
    $$ 11\over 9$$
    Correct
    Wrong
  • 4
    $$ 17\over 15$$
    Correct
    Wrong
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Answer : 1. "$$ 13\over 12$$"

Q:

(1– sin A cos A)(sin A + cos A) का सरलीकृत मान क्या है?

1320 1

  • 1
    $$cos^2A – sin^2A$$
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    $$sin^3A + cos^3A$$
    Correct
    Wrong
  • 4
    $$sin^2A – cos^2A$$
    Correct
    Wrong
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Answer : 3. "$$sin^3A + cos^3A$$ "

Q:

त्रिभुज का एक कोण 55° है। यदि अन्य दो  कोण 9:16 के अनुपात में है तो कोण ज्ञात कीजिए।

1316 1

  • 1
    65° और 115°
    Correct
    Wrong
  • 2
    90° और 160°
    Correct
    Wrong
  • 3
    55°और 165°
    Correct
    Wrong
  • 4
    45° और 80°
    Correct
    Wrong
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Answer : 4. "45° और 80°"

Q:

यदि $$ {tan3A=cot{(2A+40)}}$$  है तो $$ {tan^2{3A}}+{cot^{4}3A}$$.का मान है।

1316 0

  • 1
    $$ {27\over 3}$$
    Correct
    Wrong
  • 2
    $$ {28\over 3}$$
    Correct
    Wrong
  • 3
    $$ {2\over 3}$$
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 2. "$$ {28\over 3}$$"

Q:

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

1305 0

  • 1

    900

    Correct
    Wrong
  • 2

    300

    Correct
    Wrong
  • 3

    450

    Correct
    Wrong
  • 4

    600

    Correct
    Wrong
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Answer : 3. "

450

"

Q:

निम्नलिखित में से कौन सा $$ {(secA-cosA)^{2}}+{(cosecA-sinA)^{2}}-{(cotA-tanA)^{2}}$$  का एक सरलीकृत मान है।

1305 0

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

Q:

$$ {3tan^{2}30°}-{4\over 3}{sin^{2}60°}- {1\over2}{cosec^{2}45°}+{4\over3}{sin^{2}90°=?}$$.

1286 0

  • 1
    $$ {2\over3}$$
    Correct
    Wrong
  • 2
    $$ {1\over3}$$
    Correct
    Wrong
  • 3
    $$ {4\over3}$$
    Correct
    Wrong
  • 4
    $$ {5\over4}$$
    Correct
    Wrong
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Answer : 2. "$$ {1\over3}$$"

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