Trigonometry Question and Answers Practice Question and Answer

Q:

If $$ sin θ ={20 \over 29}$$, then what is the value of sec θ sin θ?

2522 2

  • 1
    $$ {20 \over 21}$$
    Correct
    Wrong
  • 2
    $$ {29 \over 20}$$
    Correct
    Wrong
  • 3
    $$ {21 \over 20}$$
    Correct
    Wrong
  • 4
    $$ {21 \over 29}$$
    Correct
    Wrong
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Answer : 1. "$$ {20 \over 21}$$"

Q:

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

1721 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:

What is the value of

1213 0

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

undefined

Q:

If 5cosθ – 12sinθ=0 then value of

1426 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 sinθ – cosθ = 7/13 and 00 < θ < 900 , then the value of sinθ + cosθ is :

1340 0

  • 1
    17/13
    Correct
    Wrong
  • 2
    13/17
    Correct
    Wrong
  • 3
    1/13
    Correct
    Wrong
  • 4
    1/17
    Correct
    Wrong
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Answer : 1. "17/13"

Q: If sinθ-cosθ= \({7\over13}\) and 0º <θ<90°, then the value of Sinθ+Cosθ is 1148 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: What is the value of the following 

1097 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"

Q:

If  tan2θ +cot2θ  = 2, then what is the value of  2secθ cosecθ?

1210 0

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

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