蜜糖欢百度云:一道高一数学题!
来源:百度文库 编辑:高考问答 时间:2024/05/15 10:02:35
已知函数f(x)=asinx+btanx+1满足f(5)=7,则 f(-5)=?
答案为-5,谁会解答过程?
答案为-5,谁会解答过程?
我来
f(5)=asin5+btanx+1=7
所以:asin5+btan5=6
f(-5)=asin(-5)+btan(-5)+1
=-(asin5+btan5)+1
=-6+1
=-5
-5
垃圾问题
-5
-6+1=-5
f(5)=asin5+btan5+1则
=7
asin5+btan5=6
f(-5)=asin(-5)+btan(-5)+1
=-asin5-btan5+1
=-(asin5+btan5)+1
因为:asin5+btan5=6
所以:f(-5)=-6+1=-5