Trigonometry Practice Question and Answer

Q:

The value of $$(x^{b+c})^{b-c}. (x^{c+a})^{c-a}.(x^{a+b})^{a-b}$$ when (x≠0).

1357 0

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

Q:

The value of  $${cosec^2} 18° -{1\over cot^272°}$$.

1327 0

  • 1
    $${1 \over \sqrt { 3}}$$
    Correct
    Wrong
  • 2
    $$ \sqrt2\over {3 } $$
    Correct
    Wrong
  • 3
    $${1\over2} $$
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 4. "1"

Q:

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

1191 0

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

Q: If $$ sec θ ={13 \over 12}$$, and θ is acute, then what is the value of $$ \sqrt { cotθ+tanθ} \ $$ is...... 1165 0

  • 1
    $$ {4 \over 13}$$
    Correct
    Wrong
  • 2
    $$ {12 \over 2\sqrt{13}}$$
    Correct
    Wrong
  • 3
    $$ {13 \over 2\sqrt{15}}$$
    Correct
    Wrong
  • 4
    $$ {2 \over 13}$$
    Correct
    Wrong
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Answer : 2. "$$ {12 \over 2\sqrt{13}}$$"

Q:

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

2504 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:

A tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is

2675 1

  • 1
    80 m
    Correct
    Wrong
  • 2
    100 m
    Correct
    Wrong
  • 3
    160 m
    Correct
    Wrong
  • 4
    200 m
    Correct
    Wrong
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Answer : 1. "80 m"

Q:

If 5cosθ – 12sinθ=0 then value of

1412 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: What is the value of the following 

1080 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"

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