10th Class Mathematics Introduction to Trigonometry Question Bank MCQs - Introduction to Trigonometry

  • question_answer
    The maximum value of \[\frac{1}{\text{cosec }\theta }\] is:  (CBSE 2011)

    A) \[0\]

    B) \[1\]

    C) \[\frac{\sqrt{3}}{2}\]

    D) \[\frac{1}{\sqrt{2}}\]

    Correct Answer: B

    Solution :

    [b] \[\frac{1}{\cos ec\,\,\theta }=\sin \theta \]
    \[\therefore \]  Maximum value =1


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