Multiple Choice Questions on From an aeroplane vertically over a straight horizontal road the angles of depression of two consecu........... for CDS Exam Preparation

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Multiple Choice Questions

From an aeroplane vertically over a straight horizontal road the angles of depression of two consecu...........

Quantitative Aptitude (CDS) Trignometry
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    From an aeroplane vertically over a straight horizontal road, the angles of depression of two consecutive kilometerstones on the opposite sides of the aeroplane are observed to be \small \alpha and \small \beta. The height of the aeroplane above the road is

    \small \frac{tan\alpha +tan\beta }{tan\alpha tan\beta }

    Incorrect Answer

    \small \small \frac{tan\alpha tan\beta }{tan\alpha +tan\beta }

    Correct Answer

    \small \small \small \frac{cot\alpha cot\beta }{cot\alpha +cot\beta }

    Incorrect Answer

    \small \frac{cot\alpha +cot\beta }{cot\alpha cot\beta }

    Incorrect Answer
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    Explanation:


    Hence 2 is correct option.

    By: Munesh Kumari
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