Trigonometry Practice Question and Answer

Q:

рдпрджрд┐ sin A=$${6\over 7}$$, рддреЛ sec A рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

600 0

  • 1
    $$ {1}\over \sqrt { 13} \ $$
    Correct
    Wrong
  • 2
    $$ {7}\over \sqrt { 13} \ $$
    Correct
    Wrong
  • 3
    $$ {6}\over \sqrt { 13} \ $$
    Correct
    Wrong
  • 4
    $$ {4}\over \sqrt { 13} \ $$
    Correct
    Wrong
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Answer : 2. "$$ {7}\over \sqrt { 13} \ $$"

Q:

cosecA(1 - cosA)(cosecA + cotA) рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

409 0

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

Q:

sin 730 + cos 1370рдХрд╛ рдорд╛рди рд╣реИ:

542 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:

рдпрджрд┐ sin╬╕ тАУ cos╬╕ = 7/13 ┬ардФрд░ 00 < ╬╕ < 900 ,рд╣реИ sin╬╕ + cos╬╕ рдХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВ

1351 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:

рдХрд┐рд╕реА рднреА рд╡рд╛рд╕реНрддрд╡рд┐рдХ рдорд╛рди рдХреЗ рд▓рд┐рдП┬а$${\sqrt {sec╬╕-1}\over \sqrt {sec╬╕+1} }=?$$

534 0

  • 1
    cot╬╕-cosec╬╕
    Correct
    Wrong
  • 2
    sec╬╕-tan╬╕
    Correct
    Wrong
  • 3
    cosec╬╕-cot╬╕
    Correct
    Wrong
  • 4
    tan╬╕-sec╬╕
    Correct
    Wrong
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Answer : 3. "cosec╬╕-cot╬╕"

Q:

рдпрджрд┐ 2sin╬╕+cos╬╕= $${7\over3}$$ ┬ард╣реИ, рддреЛ (tan2╬╕-sec2╬╕) ┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЗрдВ

633 0

  • 1
    0
    Correct
    Wrong
  • 2
    -1
    Correct
    Wrong
  • 3
    $${3\over7}$$
    Correct
    Wrong
  • 4
    $${7\over3}$$
    Correct
    Wrong
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Answer : 2. "-1"

Q:

$$ {1\over 1+cot2}+{3\over 1+tan^2╬╕}+2sin^2╬╕$$ ┬ардХрд╛ рд╕рдВрдЦреНрдпрд╛рддреНрдордХ рдорд╛рди рд╣реЛрдЧрд╛┬атАУ

583 0

  • 1
    2
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 4. "3"

Q:

$$ Sin^{4}θ+Cos^{4}θ $$ рдХрд╛ рдЕрдзрд┐рдХрддрдо рдорд╛рди рд╣реЛрдЧрд╛?

1730 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"

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