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

  • question_answer
     Find the value of expression \[3\left[ {{\sin }^{4}}\left( \frac{\pi }{2}-\alpha  \right)+{{\sin }^{-1}}\left( 3\pi -\alpha  \right) \right]\]\[-2\left[ {{\cos }^{6}}\left( 3\frac{\pi }{2}+\alpha  \right)+{{\cos }^{6}}\left( 5\pi -\alpha  \right) \right]+6.\]

    Answer:

    7.00


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