What is the derivative of cos(π2)? Calculus Basic Differentiation Rules Chain Rule 1 Answer Steve M Nov 22, 2016 0 Explanation: cos(π2) is a constant and so it's derivative is 0 Answer link Related questions What is the Chain Rule for derivatives? How do you find the derivative of y=6cos(x2) ? How do you find the derivative of y=6cos(x3+3) ? How do you find the derivative of y=ex2 ? How do you find the derivative of y=ln(sin(x)) ? How do you find the derivative of y=ln(ex+3) ? How do you find the derivative of y=tan(5x) ? How do you find the derivative of y=(4x−x2)10 ? How do you find the derivative of y=(x2+3x+5)14 ? How do you find the derivative of y=(1+x1−x)3 ? See all questions in Chain Rule Impact of this question 7948 views around the world You can reuse this answer Creative Commons License