y-sin(5*1+7)=5cos(5*1+7)(x-1) ; for y=f(x), y-f(1)=f'(1)(x-1);
所有跟帖:
• 刚喝完一大杯自制浓咖啡, 思维特明朗:) -网恋无罪- ♂ (0 bytes) () 10/27/2014 postreply 10:02:48
• Very impressive。有这脑子,大胆去恋吧:-) -壮士- ♂ (0 bytes) () 10/27/2014 postreply 10:05:39
• 刚喝完一大杯自制浓咖啡, 思维特明朗:) -网恋无罪- ♂ (0 bytes) () 10/27/2014 postreply 10:02:48
• Very impressive。有这脑子,大胆去恋吧:-) -壮士- ♂ (0 bytes) () 10/27/2014 postreply 10:05:39