Multiple Choice Questions on if theta Oslash pi 2 and tan theta radic 3 then what is the value of cos theta Oslash ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

if theta Oslash pi 2 and tan theta radic 3 then what is the value of cos theta Oslash ........

Quantitative Aptitude (RRB NTPC) Trignometry
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    if θ + Ø=π/2  and tan θ=√3 then what is the value of cos (θ- Ø)

    1/2

    Incorrect Answer

    √3/2

    Correct Answer

    1

    Incorrect Answer

    1/√2

    Incorrect Answer
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    Explanation:

    tan θ=√3=tan 60°
    θ=60°
    θ + Ø=π/2
    60° + Ø=90°
    Ø=30°
    cos (θ- Ø) = cos (60°-30°)=cos 30°=√3/2

    By: MIRZA SADDAM HUSSAIN
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