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

  • question_answer
    Find the value of\[\frac{\cos 20{}^\circ +8\sin 70{}^\circ \sin 50{}^\circ \sin 10{}^\circ }{{{\sin }^{2}}80{}^\circ }.\]

    Answer:

    2.00


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