y=cos3x
y'= -sin3x
y'(-π/6)= -sin(-π/6) = sin (π/6) = 1/2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
y=cos3x
y'= -sin3x
y'(-π/6)= -sin(-π/6) = sin (π/6) = 1/2