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JEE Main & Advanced Mathematics Trigonometric Equations Question Bank Relation between sides and angles, Solutions of triangles

  • question_answer
    In a right triangle \[AC=BC\] and D is the mid point of AC cotangent of angle \[DBC\] is equal to

    A) 2

    B) 3

    C) 1/2

    D) 1/3

    Correct Answer: A

    Solution :

    \[\tan \alpha =\frac{a/2}{a}=\frac{1}{2}\Rightarrow \cot \alpha =2\].


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