... sin x ) – 1 ( x – sin x ) f ' ( x ) = ( 2x – 1 ) ( x – sin x ) for x > 0 , X ... 2 [ :: cotx = 13 ] 1 + 13 x 13 2 2 1 2 1 2n = ( n − 1 ) cos 2 TT 0 - = Х ...
確定! 回上一頁