> 数学 >
求最小正周期
f(x)=sin(2x+π/3)-根号3sin平方x+sinxcosx+(根号3)/2
人气:380 ℃ 时间:2020-06-18 14:44:12
解答
f(x)=sin(2x+π/3) -√3sin²x+sinxcosx+√3/2=sin2xcos(π/3)+cos2xsin(π/3)-√3sin²x+sinxcosx+√3/2=(1/2)sin2x +(√3/2)cos2x-√3sin²x+sinxcosx+√3/2=sinxcosx+√3cos²x-√3/2-√3sin...
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版