Differentiating trigonometric function

Calculus Tutorial

Differentiating trigonometric function



Sample Problem

Let y=sin(4x-π/3)
What is the value of dy/dx at x=π/6


Let y=sin(4x-π/3)
dy/dx=cos(4x-π/3).4 differentiate
dy/dx at (x=π/6) =cos(4.π/6-π/3).4 substituting
=4.cos(2π/3-π/3) simplify

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