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10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    The value of \[{{\cos }^{4}}\frac{\pi }{4}-{{\cos }^{4}}\frac{\pi }{6}+si{{n}^{4}}\frac{\pi }{6}+si{{n}^{4}}\frac{\pi }{3}\] is

    A) \[\frac{1}{16}\]

    B) \[\frac{1}{8}\]

    C) \[\frac{5}{16}\]

    D) \[\frac{3}{16}\]

    Correct Answer: C

    Solution :

     Not available


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