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

  • question_answer
    If the value of \[\sin 20{}^\circ \,\,\sin \,40{}^\circ \,\,\sin \,\,60{}^\circ \,\,\sin 80{}^\circ \] is \[\frac{3}{k}\] then find k.

    Answer:

    16.00


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