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导数是高中教材中的重要内容,在高考中占有重要的地位.它除了能够解决有关函数的切线、单调性、极值和最值问题外,一些表面上似乎与它无关的问题,稍加分析,便可知道与导数仍有密切联系,若用导数解之,则会给人以惊奇之感.下面略举数例,以示导数解题的风采.一、解决有关奇、偶函数问题例1若f(x)=asin (x+π/4)+
Derivatives is an important part of high school textbooks, occupies an important position in the entrance examination. In addition to its ability to solve the tangent, monotonicity, extreme value and the most value problems, some seemingly nothing to do with it, a little analysis , We can know the derivative is still closely linked, if the derivative solution, it will give people a sense of surprise. Here are a few examples to show the style of solving the problem. First, to solve the problem of odd and even functions 1 if f (x) = asin (x + π / 4) +