已知函数f(x)=2cosxsin(x+π/3)-根号3sin^2x+sinxcosx+1 (1)求函数f(x)的最大之和最小正周期(2)设三角形ABC的三个内角A,B,C的对边分别为a,b,c,若a=4,B=π/4,且f(A/2)是函数f(x)的最大值,试求b的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 10:10:56
![已知函数f(x)=2cosxsin(x+π/3)-根号3sin^2x+sinxcosx+1 (1)求函数f(x)的最大之和最小正周期(2)设三角形ABC的三个内角A,B,C的对边分别为a,b,c,若a=4,B=π/4,且f(A/2)是函数f(x)的最大值,试求b的值](/uploads/image/z/1699262-62-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D2cosxsin%28x%2B%CF%80%2F3%29-%E6%A0%B9%E5%8F%B73sin%5E2x%2Bsinxcosx%2B1+%EF%BC%881%EF%BC%89%E6%B1%82%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E6%9C%80%E5%A4%A7%E4%B9%8B%E5%92%8C%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%EF%BC%882%EF%BC%89%E8%AE%BE%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E4%B8%89%E4%B8%AA%E5%86%85%E8%A7%92A%2CB%2CC%E7%9A%84%E5%AF%B9%E8%BE%B9%E5%88%86%E5%88%AB%E4%B8%BAa%2Cb%2Cc%2C%E8%8B%A5a%3D4%2CB%3D%CF%80%2F4%2C%E4%B8%94f%EF%BC%88A%2F2%EF%BC%89%E6%98%AF%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC%2C%E8%AF%95%E6%B1%82b%E7%9A%84%E5%80%BC)
xSJP zIRT)~($BM-ve)_(j*V]h?`sgn"U̜I2sTc]N%][(h-jHx`OP-Y>|W@ީ.;Fxsʶ.#PnW.뉑
b
%ȱz#j6[bu="s$L=E:xKAMbp$Ik:~Z;5'FLl*mgǃEN(nUx1[<