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

  • question_answer
    If \[\cos \alpha +2\cos \beta +3\cos \gamma =0,\] \[\sin \alpha +2\sin \beta +3\sin \gamma =0\] and \[\alpha +\beta +\gamma =\pi ,\]then \[\sin 3\alpha +8\sin 3\beta +27sin3\gamma =\]

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