Trigonometry Practice Question and Answer

Q:

Sin (45 + θ) – Cos (45 – θ) का मान है—

720 1

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

Q:

यदि a=tanθ + 1 और b=sinθ+cosθ है तो (b2-1)a का मान होगा—

896 0

  • 1
    ab
    Correct
    Wrong
  • 2
    2bsecθ
    Correct
    Wrong
  • 3
    2b
    Correct
    Wrong
  • 4
    2bsin θ
    Correct
    Wrong
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Answer : 4. "2bsin θ"

Q:

यदि cosec θ=1.25  है तब $$ {4 \ tanθ-5 \ cosθ + 1\over secθ+ 4cotθ-1}=?$$ होगा?

828 0

  • 1
    $$ {9\over 10}$$
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    $$ {10\over 11}$$
    Correct
    Wrong
  • 4
    $$ {1\over 2}$$
    Correct
    Wrong
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Answer : 3. "$$ {10\over 11}$$"

Q:

यदि 2sinθ+ 15 cos2θ=7, 0°˂θ˂90°, है तो तब  $$ {3-tanθ\over 2+tanθ}$$ का मान क्या होगा?

986 0

  • 1
    $$ {1\over 4}$$
    Correct
    Wrong
  • 2
    $$ {3\over 4}$$
    Correct
    Wrong
  • 3
    $$ {1\over 2}$$
    Correct
    Wrong
  • 4
    $$ {5\over 8}$$
    Correct
    Wrong
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Answer : 3. "$$ {1\over 2}$$"

Q:

(sec A + tan A – 1) (sec A – tan A+1) =?

664 0

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

Q:

$$ {tan\ 40°+tan\ 20° +\sqrt{3}\ tan20° tan40°}$$ का मान है—

751 0

  • 1
    $$ {\sqrt{12}}$$
    Correct
    Wrong
  • 2
    $$ {1\over{\sqrt{3}}}$$
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$ {\sqrt{3}}$$
    Correct
    Wrong
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Answer : 4. "$$ {\sqrt{3}}$$"

Q:

यदि $$ {Acos^{2}θ+Bsin^{2}θ}={sin^{2}θ(sec^{2}θ+1)\over{sec^{2}θ-1}}$$  है तो cotθ=?

734 0

  • 1
    $${\sqrt{B-2\over2-A}}$$
    Correct
    Wrong
  • 2
    $${\sqrt{B-1\over2-A}}$$
    Correct
    Wrong
  • 3
    $${\sqrt{B-1\over A-2}}$$
    Correct
    Wrong
  • 4
    $${\sqrt{2-B\over 2-A}}$$
    Correct
    Wrong
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Answer : 2. "$${\sqrt{B-1\over2-A}}$$"

Q:

यदि sin2a = cos3a  तब cot6 a – cot2a का मान कितना होगा?

673 0

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

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