Multiple Choice Questions on If cos theta sin theta m sec theta cosec theta n what is m n ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

If cos theta sin theta m sec theta cosec theta n what is m n ........

Quantitative Aptitude (RRB NTPC) Trignometry
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    If cos θ + sin θ =m, sec θ + cosec θ =n, what is m/n?

    1

    Incorrect Answer

    sin θ cos θ

    Correct Answer

    sec θ cosec θ

    Incorrect Answer

    cot θ tan θ

    Incorrect Answer
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    Explanation:
     cos θ +sinθ = m ____(i)
    & secθ +cosθ =n
    ⇒ sinθ +cosθ = nsinθ cosθ
    ⇒ m = n sinθ cos θ (from (i))
    =>m/n= sinθcosθ

    By: Barka Mirza
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