Trigonometry Practice Question and Answer

Q:

यदि $$ sec θ ={13 \over 12}$$, तथा θ न्यूनकोण है, तो $$ \sqrt { cotθ+tanθ} \ $$ है....

1165 0

  • 1
    $$ {4 \over 13}$$
    Correct
    Wrong
  • 2
    $$ {12 \over 2\sqrt{13}}$$
    Correct
    Wrong
  • 3
    $$ {13 \over 2\sqrt{15}}$$
    Correct
    Wrong
  • 4
    $$ {2 \over 13}$$
    Correct
    Wrong
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Answer : 2. "$$ {12 \over 2\sqrt{13}}$$"

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 ) 

842 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:


1201 0

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

Q:

$$ (x^{b+c})^{b-c}. (x^{c+a})^{c-a}.(x^{a+b})^{a-b}$$ का मान है जब (x ≠ 0)।

1353 0

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

Q:

यदि  sinθ-cosθ= \({7\over13}\) और  0º <θ<90°, है तो  sinθ+cosθका मान क्या होगा

1122 0

  • 1
    \({17\over13}\)
    Correct
    Wrong
  • 2
    \({13\over17}\)
    Correct
    Wrong
  • 3
    \({1\over13}\)
    Correct
    Wrong
  • 4
    \({1\over17}\)
    Correct
    Wrong
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Answer : 1. "\({17\over13}\)"

Q:


1077 0

  • 1
    cosec A
    Correct
    Wrong
  • 2
    cos A
    Correct
    Wrong
  • 3
    secA
    Correct
    Wrong
  • 4
    sinA
    Correct
    Wrong
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Answer : 3. "secA"

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Answer : 1. "80 मी."

Q:

$$ sec{^4}A(1-sin{^4}A)-2tan{^2}A $$ का मान होगा:

1005 0

  • 1
    $$ {1\over2}$$
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"
Explanation :

 Put A=45 degree and we can get answer.

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