• 2022-06-03
    已知\( y = \sin (2 + \tan 3) \),则\( y' \)为( ).
    A: 0
    B: \( \cos (2 + \tan 3) \)
    C: \( \tan 3\cos (2 + \tan 3) \)
    D: \( {\sec ^2}3\cos (2 + \tan 3) \)