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JEE Main & Advanced Mathematics Trigonometric Identities Question Bank Numerical Value Type Questions - Trigonometric Ratios

  • question_answer
    If the value of \[\cos \frac{2\pi }{15}.\cos \frac{4\pi }{15}.cos\frac{8\pi }{15}.\cos \frac{14\pi }{15}\] is \[\frac{1}{k}\] then find k.

    Answer:

    16.00


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