Multiple Choice Questions on Consider the following 2 1 ndash sin A ndash cos A 2 2 1 ndash sin A 1 cos A Which of the above........... for CDS Exam Preparation

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Multiple Choice Questions

Consider the following 2 1 ndash sin A ndash cos A 2 2 1 ndash sin A 1 cos A Which of the above...........

Quantitative Aptitude (CDS) Trignometry
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    Consider the following:

    1.\;\frac{cosA}{1-tanA}+\frac{sin A}{1-cotA}=sin A+cos A

    2. (1 –  sin A – cos A)2 = 2(1 – sin A)(1 + cos A)

    Which of the above is/are identity/identities?

    1 only

    Correct Answer

    2 only

    Incorrect Answer

    Both 1 and 2

    Incorrect Answer

    Neither 1 nor 2

    Incorrect Answer
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