What is the derivative of #sin(x-(pi/4))#? Calculus Basic Differentiation Rules Chain Rule 1 Answer 冠廷 李. Jun 20, 2016 #cos(x-pi/4)# Explanation: you need to use CHAIN RULE to solve this question #d/dxsin(x-pi/4)=cos(x-pi/4)*d/dx(x-pi/4)=cos(x-pi/4)# Answer link Related questions What is the Chain Rule for derivatives? How do you find the derivative of #y= 6cos(x^2)# ? How do you find the derivative of #y=6 cos(x^3+3)# ? How do you find the derivative of #y=e^(x^2)# ? How do you find the derivative of #y=ln(sin(x))# ? How do you find the derivative of #y=ln(e^x+3)# ? How do you find the derivative of #y=tan(5x)# ? How do you find the derivative of #y= (4x-x^2)^10# ? How do you find the derivative of #y= (x^2+3x+5)^(1/4)# ? How do you find the derivative of #y= ((1+x)/(1-x))^3# ? See all questions in Chain Rule Impact of this question 7760 views around the world You can reuse this answer Creative Commons License