Multiple Choice Questions on If theta is an acute angle and sin theta cos theta 2cos3 theta ndash 1 5cos theta then what is sin t........... for CDS Exam Preparation

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Multiple Choice Questions

If theta is an acute angle and sin theta cos theta 2cos3 theta ndash 1 5cos theta then what is sin t...........

Quantitative Aptitude (CDS) Trignometry
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    If θ is an acute angle and sinθcosθ = 2cos3θ – 1.5cosθ, then what is sinθ equal to?

    \frac{\sqrt{5}-1}{4}

    Correct Answer

    \frac{1-\sqrt{5}}{4}

    Incorrect Answer

    \frac{\sqrt{5}+1}{4}

    Incorrect Answer

    -\frac{\sqrt{5}+1}{4}

    Incorrect Answer
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