Maths Practice Question and Answer

Q:

$${\sqrt{1-cosA\over{1+cosA}}}$$ का क्या मान है?

1212 0

  • 1
    cosecA-sinA
    Correct
    Wrong
  • 2
    cosecA+cotA
    Correct
    Wrong
  • 3
    secA-cotA
    Correct
    Wrong
  • 4
    secA+cotA
    Correct
    Wrong
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Answer : 1. "cosecA-sinA"

Q:

$$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$ को सरल कीजिए।

1105 0

  • 1
    $$ {cos{\ θ}}$$
    Correct
    Wrong
  • 2
    $$ {2sin{\ θ}}$$
    Correct
    Wrong
  • 3
    $$ {sin{\ θ}}$$
    Correct
    Wrong
  • 4
    $$ {2cos{\ θ}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2cos{\ θ}}$$"

Q:

ΔPQR, Q पर एक समकोण है। यदि cos P = 3/5 है, तो cos R का मान ज्ञात करें?

1226 0

  • 1
    $$ {3\over4}$$
    Correct
    Wrong
  • 2
    $$ {5\over3}$$
    Correct
    Wrong
  • 3
    $$ {4\over5}$$
    Correct
    Wrong
  • 4
    $$ {4\over3}$$
    Correct
    Wrong
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Answer : 3. "$$ {4\over5}$$"

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