Asked by Sima
Find an equation of aline that is tangent to the curve f(x)+2cos3x and whose slope is a maximum?? Pleasee help!!
Answers
Answered by
Mgraph
I think f(x)=2cos3x.
f'(x)=-6sin3x
maxf'(x)=6 if sin3x=-1 when x=-Pi/6
f(-Pi/6)=0
The equation of tangent
y=6x+Pi
f'(x)=-6sin3x
maxf'(x)=6 if sin3x=-1 when x=-Pi/6
f(-Pi/6)=0
The equation of tangent
y=6x+Pi
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