f(x)=cos(2x+60)+sin^2x 求f(x)的值域
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 00:19:21
f(x)=cos(2x+60)+sin^2x 求f(x)的值域
f(x)=cos(2x+60)+sin^2x 求f(x)的值域
f(x)=cos(2x+60)+sin^2x 求f(x)的值域
f(x)=cos(2x+60)+sin^2x
=cos2xcos60-sin2xsin60+sin^2x
=1/2*cos2x-√3/2sin2x+(1-cos2x)/2
=1/2*cos2x-√3/2sin2x+1/2-1/2cos2x
=-√3/2sin2x+1/2
-1
f(x)=cos(2x+60)+sin^2x 求f(x)的值域
f(x)=cos(2x)+2sin(x)化简
f'(sin^2x)=cos^2x,求f(x)f'((sin^x)^2)=(cos^x)^2
f(x)为奇函数,x>0,f(x)=sin 2x+cos x,则x
f(sin x)=3-cos 2x,求f(cos x)=?
设f(sin x)=3-cos 2x,则f(cos x)=?
若F(sin x)=3-cos 2x 则F(cos x)=?
f(sin x)=cos 2x +1 求 f(cos x)
f(sin x)=3-cos 2x求f(cos x)
f(cos x)=2-sin 2x,则f(sin x)=?
已知f(x)=cos(x/2)[sin(x/2)-cos(x/2)],其导为?
f(x)=cos(2兀-x)cos(2/兀-x)-sin方x化简速求
化简:f(x)=sin(x)cos(x)/sin(2x)
f'(sin x)=1-cos x 求f''(x)
设函数f(x)=p·q,其中向量p=(sin x,cos x+sin x),q=(2cos x,cos sin x) (
函数f(x)=sin(x)+cos(x)-sin(x)*cos(x)的值域是什么
f(x)=sin x +cos x +sin x * cos x ,求值域
若f(cos x)=cos 2x,则f(sin 15度)的值?