10th Class Mathematics Sample Paper Mathematics Sample Paper-6

  • question_answer If\[sin\,\theta =\frac{b}{a}\], then find \[\sqrt{\frac{a-b}{a+b}}+\sqrt{\frac{a+b}{a-b}}\]

    A) 0                     

    B) 1          

    C) \[cos\theta \]                  

    D) \[\frac{1}{cos\theta }\]

    E) None of these

    Correct Answer: D


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