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

  • question_answer
    The value of \[{{\cos }^{2}}10{}^\circ -\cos 10{}^\circ \cos 50{}^\circ +{{\cos }^{2}}50{}^\circ \] is

    Answer:

    0.75


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