Trigonometry Practice Question and Answer

Q:

Fill in the blanks:
Sin A = ____ × (Cos A) 

2468 0

  • 1
    Sin A
    Correct
    Wrong
  • 2
    Tan A
    Correct
    Wrong
  • 3
    Cot A
    Correct
    Wrong
  • 4
    Cosec A
    Correct
    Wrong
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Answer : 2. "Tan A "

Q:

If secθ – tanθ = 1/3 what is secθ + tanθ?

1117 0

  • 1
    1
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    1/9
    Correct
    Wrong
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Answer : 3. "3 "

Q:

$$\sqrt{ {1-sinA\over1+sinA}}$$ is equal to ?

1370 0

  • 1
    sec A + tan A
    Correct
    Wrong
  • 2
    sec A + cosec A
    Correct
    Wrong
  • 3
    sec A – cosec A
    Correct
    Wrong
  • 4
    sec A – tan A
    Correct
    Wrong
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Answer : 4. "sec A – tan A"

Q:

Find out value of Cosec $$\left(-{5π\over3} \right)$$?

909 0

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

Q:

If tan $$ -{7π\over4}=x $$ then the value of x is : 

902 0

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

Q:

If  $$ {cosAcotA \over( 1 - sinA ) }=x $$ then the value of x is : 

1060 0

  • 1
    1 - cosecA
    Correct
    Wrong
  • 2
    1 + cosecA
    Correct
    Wrong
  • 3
    1 + secA
    Correct
    Wrong
  • 4
    1 - secA
    Correct
    Wrong
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Answer : 2. "1 + cosecA "

Q:

The value of $$ cos {20^o} cos {40^o}cos {60^o}cos {80^o}$$ is:

860 0

  • 1
    $$ {1\over 15}$$
    Correct
    Wrong
  • 2
    $$ {1\over 16}$$
    Correct
    Wrong
  • 3
    $$ {1\over 12}$$
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "$$ {1\over 16}$$"

Q:

If sinθ + cosecθ = 2, then the value of $$ sin^9 θ +cosec^9θ $$ is –

1792 0

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

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