Trigonometry Practice Question and Answer

Q:

$$ \sqrt {sec^2{θ}+cosec^2{θ}}=?$$

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  • 1
    $$ {tan^2{θ}}+cot^2{θ}$$
    Correct
    Wrong
  • 2
    $$ tanθ+cotθ$$
    Correct
    Wrong
  • 3
    $$ sinθ+cosθ$$
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "$$ tanθ+cotθ$$"
Explanation :

$$ \sqrt {sec^2{θ}+cosec^2{θ}}$$
We know that
$$ {1+tan^2{θ}}={sec^2θ}$$
$$ {1+cot^2{θ}}={cosec^2{θ}}$$
$$ \sqrt {1+tan^2{θ}+1+cot^2{θ}}$$

Q:

If θθθθ then the value of Cotθ is

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    Wrong
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Answer : 2. ""

Q:

is equal to

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Answer : 2. ""

Q:

Find the value of

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    0
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    Wrong
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Answer : 2. ""

Q:

If x tan45° cos30° = sin30° cos45°, then x is equal to - 

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Answer : 2. ""

Q:

If  θθθθ, then value of cotθ is:

1336 0

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

Q:

If 4tanθ=3,the  value of θθθθ is:-

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    Correct
    Wrong
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    Correct
    Wrong
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    Correct
    Wrong
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    None of these
    Correct
    Wrong
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Answer : 2. ""

Q:

If 2sin2 θ – 3 sin θ + 1 = 0,   θ being positive angle, then the values of θ are : 

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Answer : 1. ""

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