2. Questions Bank
  3. 10th Class
  4. Mathematics
  5. Introduction to Trigonometry

10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    The value of \[{{\cos }^{2}}0{}^\circ +{{\cos }^{2}}30{}^\circ +{{\cos }^{2}}45{}^\circ +{{\cos }^{2}}60{}^\circ +{{\cos }^{2}}90{}^\circ \] is

    A)   \[\frac{1}{2}\]  

    B) \[\frac{3}{2}\]

    C) \[\frac{5}{2}\]

    D)   \[\frac{7}{2}\]  

    Correct Answer: C

    Solution :

     Not available


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