Second derivative with product rule: x^2*cos(x). Product rule involving trig functions cos(x).

Derivative of cos(x^2), cos^2(x), and cos(2x) with Chain Rule | Calculus 1 Exercises

Derivative of cos(x^2)

How to do implicit differentiation for y*cos(x)=x^2+y^2

Trig. Higher Order Derivative of 2(sinx)(cosx) | Find the 2nd Derivative | Differential Calculus

Find first and second derivative for x = 2 cos t, y = cos(2t) in terms of t. Parametric equations

Derivative of cos^2x with Chain Rule | Calculus 1 Exercises

37. How to Find second order derivatives of x . cos x

Sinhx /Coshx /Tanhx / derivative / Derivative of All Hyperbolic trignometric ratio / Hyperbolic

Find the derivative of cos^2(x) using the product rule

y=(cosx)^2 differentiated, chain rule version

Implicit Differentiation Second Derivative Trig Functions & Examples- Calculus

Derivative of sin x and cos x

Easy Way to Remember Derivatives of Trigonometry Ratios #shorts | How to Remember Derivatives Easily

100 calculus derivatives (ultimate derivative tutorial)

Find the second order derivatives of the functions x . cos x

Derivative sinx^2,cosx^2, done in 55 seconds

Find the second derivative of function y = cos^3 x.

Derivatives of sin(x) and cos(x) | Derivative rules | AP Calculus AB | Khan Academy

Eric's Calculus Lecture: Use the 2nd Derivative Test to Find Relative Extrema of f(x)=2sinx+cos(2x)