2. Sample Papers
  3. 9th Class
  4. Mathematics

9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-20

  • question_answer
    If \[\cos ec\theta +\cot \theta =2+\sqrt{5},\] then find the value of\[3\cos \theta -2\sin \theta \].

    A)  \[\frac{4}{5}\,\,\sqrt{5}\]

    B)  \[\frac{2}{5}\,\,\sqrt{5}\]

    C)  \[\frac{3}{5}\,\,\sqrt{5}\]                      

    D)  \[\frac{1}{5}\,\,\sqrt{5}\]

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available               


You need to login to perform this action.
You will be redirected in 3 sec spinner