Trigonometry Question and Answers Practice Question and Answer

Q:

The greatest value of $$ Sin^{4}θ+Cos^{4}θ $$ is:

1702 0

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

Q:

If tan4θ + tan2θ = 1, then the value of cos4θ + cos2θ is

1597 0

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

Q:

If 2sin2θ–5sinθcosθ+7cos2θ=1then possible values of tan θ are

1578 0

  • 1
    2, 5
    Correct
    Wrong
  • 2
    1, 3
    Correct
    Wrong
  • 3
    2, $$ {5\over2}$$
    Correct
    Wrong
  • 4
    2, 3
    Correct
    Wrong
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Answer : 4. "2, 3"

Q:

If cos θ = $${1\over \sqrt{10}}$$, then tan θ is equal to.

1547 0

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

Q:

The value of $$ {3sin30°-4sin^{3}30°}$$

1420 0

  • 1
    Sin30°
    Correct
    Wrong
  • 2
    Cos60°
    Correct
    Wrong
  • 3
    sin90°
    Correct
    Wrong
  • 4
    Cos90°
    Correct
    Wrong
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Answer : 3. "sin90°"

Q:

If 5cosθ – 12sinθ=0 then value of

1407 0

  • 1
    $$\left(1{75\over119}\right)\ $$
    Correct
    Wrong
  • 2
    $$\left(2{34\over35}\right)\ $$
    Correct
    Wrong
  • 3
    $$\left(3{2\over3}\right)\ $$
    Correct
    Wrong
  • 4
    $$\left(3{1\over7}\right)\ $$
    Correct
    Wrong
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Answer : 4. "$$\left(3{1\over7}\right)\ $$"

Q:

If 3 sin x + 5cosx = 5 then what is the value of (3cosx - 5sinx)

1366 0

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

Q:

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

1366 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"

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