Multiple Choice Questions on Consider the following for real numbers alpha beta gamma and delta 1 sec alpha 1 4 2 tan beta 20 3 c........... for CDS Exam Preparation

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Multiple Choice Questions

Consider the following for real numbers alpha beta gamma and delta 1 sec alpha 1 4 2 tan beta 20 3 c...........

Quantitative Aptitude (CDS) Trignometry
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    Consider the following for real numbers α, β, γ and δ ?

    1) sec α = 1/4

    2) tan β = 20

    3) cosec γ = 1/2

    4) cos δ = 2

    How many of the above statements are not possible?

    one

    Incorrect Answer

    two

    Incorrect Answer

    three

    Correct Answer

    four

    Incorrect Answer
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    Explanation:

    Sec of any number can never be less than 1
    tan can take any value from -∞ to + ∞
    cosec of any number can never be less than 1
    cos of any number can never be greater than 1
    so option 1,3,4 are not possible

    By: Munesh Kumari
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