How do you differentiate #f(x)=(2x^3+3)cosx^2#? Calculus Differentiating Trigonometric Functions Derivative Rules for y=cos(x) and y=tan(x) 1 Answer VinÃcius Ferraz Jun 7, 2017 #D_x f(x) = 6x^2 cos x^2 - (4x^3 + 6) x sin x^2# Explanation: #D_x f = D_x (2x^3 + 3) cos x^2 + (2x^3 + 3) D_x cos x^2# #D_x f = 6x^2 cos x^2 + (2x^3 + 3) (-sin x^2) D_x x^2# Answer link Related questions What is the derivative of #y=cos(x)# ? What is the derivative of #y=tan(x)# ? How do you find the 108th derivative of #y=cos(x)# ? How do you find the derivative of #y=cos(x)# from first principle? How do you find the derivative of #y=cos(x^2)# ? How do you find the derivative of #y=e^x cos(x)# ? How do you find the derivative of #y=x^cos(x)#? How do you find the second derivative of #y=cos(x^2)# ? How do you find the 50th derivative of #y=cos(x)# ? How do you find the derivative of #y=cos(x^2)# ? See all questions in Derivative Rules for y=cos(x) and y=tan(x) Impact of this question 1440 views around the world You can reuse this answer Creative Commons License