10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    If ABCD is a cyclic quadrilateral, then find which of the following statement is not correct?

    A) \[\sin (A+C)=0\]

    B) \[\sin (A+B)=0\]

    C) \[cos(B+D)=-1\]

    D) \[sin(A+B+\text{C}+D)=0\]

    Correct Answer: B

    Solution :

    Not available


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