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10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    The value of \[4(si{{n}^{4}}30{}^\circ +co{{s}^{4}}60{}^\circ )(co{{s}^{2}}45{}^\circ -si{{n}^{2}}90{}^\circ )+ta{{n}^{4}}45{}^\circ -{{\cot }^{2}}45{}^\circ \] is

    A) \[0\]

    B) \[1\]

    C) \[-\frac{1}{4}\]

    D) \[-2\]

    Correct Answer: C

    Solution :

    Not available


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