Trigonometry Practice Question and Answer

Q:

(sinθ+cosecθ)2+(cos θ+ sec θ)2=?

659 0

  • 1
    5 + tan2 θ + cot2 θ
    Correct
    Wrong
  • 2
    7 + tan2 θ - cot2 θ
    Correct
    Wrong
  • 3
    7 + tan2 θ + cot2 θ
    Correct
    Wrong
  • 4
    5 + tan2 θ - cot2 θ
    Correct
    Wrong
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Answer : 3. "7 + tan2 θ + cot2 θ"

Q:

if , then the value of is

656 0

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

Q:

The value of sin 730 + cos 1370 is:

655 0

  • 1

    cos 130

    Correct
    Wrong
  • 2

    sin 130

    Correct
    Wrong
  • 3

    cos 180

    Correct
    Wrong
  • 4

    sin 180

    Correct
    Wrong
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Answer : 2. "

sin 130

"

Q:

What is the value of the expression?

(tan0° tan1° tan2° tan3° tan4° …… tan89°)

646 0

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

Q:

what is the value of the expression
 cos 2A cos2B+sin2(A-B)-sin2(A+B)?

629 0

  • 1
    sin(2A-2B)
    Correct
    Wrong
  • 2
    cos(2A+2B)
    Correct
    Wrong
  • 3
    cos(2A-2B)
    Correct
    Wrong
  • 4
    sin(2A+2B)
    Correct
    Wrong
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Answer : 2. "cos(2A+2B)"

Q:

In △ABC, right angle at B, if   , then the value of is :

614 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    2√5
    Correct
    Wrong
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Answer : 3. "3"

Q:

If cos(2θ+54°) = sinθ, 0°<(2θ-54°)<90°, then what is the value of θθ   

614 0

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

Q:

θθ is equal to which of the following (where θπ

610 0

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

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