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10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    If \[\tan \theta =\frac{1}{\sqrt{5}}\] and \[\theta \] lies in the first quadrant then the value of \[\cos \theta \] is

    A) \[\frac{1}{\sqrt{6}}\]

    B) \[-\frac{1}{\sqrt{6}}\]

    C) \[-\sqrt{\frac{5}{6}}\]

    D) \[\frac{\sqrt{5}}{\sqrt{6}}\]

    Correct Answer: D

    Solution :

    Not available


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