Trigonometry Practice Question and Answer

Q:

рдпрджрд┐┬а tan┬а╬▒┬а= 2,┬ард╣реИ рддреЛ┬а$$ {cosec^2 ╬▒ - sec^2 ╬▒}\over{cosec^2 ╬▒ + sec^2 ╬▒} ┬а $$┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛┬а?

1373 0

  • 1
    $$ -{15\over 9} $$
    Correct
    Wrong
  • 2
    $$ {3\over 5} $$
    Correct
    Wrong
  • 3
    $$ -{3\over 5} $$
    Correct
    Wrong
  • 4
    $$ {17\over 5} $$
    Correct
    Wrong
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Answer : 3. "$$ -{3\over 5} $$"

Q:

sin2┬а60┬░ + cos230┬░+ cot2 45┬░ + sec2 60┬░ тАУ cosec2 30┬░ + cos2 0┬░┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реЛрдЧрд╛?

1368 0

  • 1
    $$ {7\over2}$$
    Correct
    Wrong
  • 2
    $$ {7\over4}$$
    Correct
    Wrong
  • 3
    $$ {7\over3}$$
    Correct
    Wrong
  • 4
    $$ {7\over8}$$
    Correct
    Wrong
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Answer : 1. "$$ {7\over2}$$"

Q:

рдпрджрд┐┬а┬аsec╬╕ тАУ┬аtan╬╕ =┬а1/3 ┬ард╣реИ рддреЛ┬аsec╬╕ +┬аtan╬╕┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛?

1344 0

  • 1
    1
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    1/9
    Correct
    Wrong
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Answer : 3. "3 "

Q:

рдпрджрд┐┬аsec x + cos x = 2,┬арддреЛ┬аsec16 x + cos16 x┬ардХрд╛ рдорд╛рди рд╣реЛрдЧрд╛-

1312 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    тИЪ3
    Correct
    Wrong
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Answer : 1. "2 "

Q:

рдпрджрд┐ tan2θ +cot2θ  = 2 рддреЛ 2secθ cosecθ рдХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

1307 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:


1297 0

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

Q:


1292 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:

рдпрджрд┐┬аx tan45┬░ cos30┬░ = sin30┬░ cos45┬░ ,┬арддреЛ рдХрд┐рд╕рдХреЗ рдмрд░рд╛рдмрд░ рд╣реИ-┬а

1265 0

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

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