10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    If \[\text{sin2}A=\cos A\], then the value of A is

    A) \[30{}^\circ \]  

    B) \[45{}^\circ \]

    C) \[60{}^\circ \]

    D) \[75{}^\circ \]

    Correct Answer: A

    Solution :

    Not available


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