Trigonometry Question and Answers Practice Question and Answer

Q:

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

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:

рдпрджрд┐┬аtan4╬╕ + tan2╬╕ = 1┬ард╣реИ рддреЛ┬аcos4╬╕ + cos2╬╕┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛?

1597 0

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

Q:

рдпрджрд┐┬а2sin2╬╕тАУ5sin╬╕cos╬╕+7cos2╬╕=1┬ард╣реИ рддреЛ┬аtan╬╕┬ардХрд╛ рд╕рдореНрднрд╛рд╡рд┐рдд рдорд╛рди рд╣реИред

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:

рдпрджрд┐┬аcos ╬╕ = $$ {1\over \sqrt{10} } ┬а$$┬ард╣реИ, tan ╬╕┬арддреЛ рдмрд░рд╛рдмрд░ рд╣реИ┬а?

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:

$$ {3sin30┬░- 4sin^{3}30┬░}$$┬ардХрд╛ рдорд╛рди рд╣реИред

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:

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:

┬ардпрджрд┐┬а3 sin x + 5cosx = 5┬арддреЛ (3cosx - 5sinx) рдХрд╛ рдорд╛рди рд╣реИред

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:

$$\sqrt{ {1-sinA\over1+sinA}}$$┬ардХрд╛ рдорд╛рди рдЬреНрдЮрд╛рдд рдХрд░реЛ┬а

1366 0

  • 1
    sec A + tan A
    Correct
    Wrong
  • 2
    sec A + cosec A
    Correct
    Wrong
  • 3
    sec A тАУ cosec A
    Correct
    Wrong
  • 4
    sec A тАУ tan A
    Correct
    Wrong
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Answer : 4. "sec A тАУ tan A"

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