已知函数f(x)=sin(x/3)cos(x/3)+√3cos^2(x/3)如果△ABC的三边a,b,c满足b^2=ac,且边b所对的角为x,试求x的范围及此时函数的值域.今天为止,过期作废
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 00:50:15
![已知函数f(x)=sin(x/3)cos(x/3)+√3cos^2(x/3)如果△ABC的三边a,b,c满足b^2=ac,且边b所对的角为x,试求x的范围及此时函数的值域.今天为止,过期作废](/uploads/image/z/12527527-31-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dsin%28x%2F3%29cos%28x%2F3%29%2B%E2%88%9A3cos%5E2%28x%2F3%29%E5%A6%82%E6%9E%9C%E2%96%B3ABC%E7%9A%84%E4%B8%89%E8%BE%B9a%2Cb%2Cc%E6%BB%A1%E8%B6%B3b%5E2%3Dac%2C%E4%B8%94%E8%BE%B9b%E6%89%80%E5%AF%B9%E7%9A%84%E8%A7%92%E4%B8%BAx%2C%E8%AF%95%E6%B1%82x%E7%9A%84%E8%8C%83%E5%9B%B4%E5%8F%8A%E6%AD%A4%E6%97%B6%E5%87%BD%E6%95%B0%E7%9A%84%E5%80%BC%E5%9F%9F.%E4%BB%8A%E5%A4%A9%E4%B8%BA%E6%AD%A2%2C%E8%BF%87%E6%9C%9F%E4%BD%9C%E5%BA%9F)
xUN@,ؔJIgTXĢJ 4
P!}G!P bS~@!x/̌W
Uj$s=ܧ'9(E];zTCɩ*g3=T#ޜcOO4/Ѽé7+'SAr
/kqjY^sTY'[$䖊Fg =,R(D)~[n~Yt͂cK=:ktӉؿ~1;vMb|c%$!%)
KUxзJHj