# Derivative of sin(x)*cos(3x)

## Derivative of sin(x)*cos(3x). Simple step by step solution, to learn. Simple, and easy to understand, so dont hesitate to use it as a solution of your homework.

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## Derivative of sin(x)*cos(3x):

(sin(x)*cos(3*x))'(sin(x))'*cos(3*x)+sin(x)*(cos(3*x))'cos(x)*cos(3*x)+sin(x)*(cos(3*x))'cos(x)*cos(3*x)+sin(x)*-sin(3*x)*(3*x)'cos(x)*cos(3*x)+sin(x)*-sin(3*x)*((3)'*x+3*(x)')cos(x)*cos(3*x)+sin(x)*-sin(3*x)*(0*x+3*(x)')cos(x)*cos(3*x)+sin(x)*-sin(3*x)*(0*x+3*1)cos(x)*cos(3*x)+sin(x)*3*(-sin(3*x))cos(x)*cos(3*x)+sin(x)*-3*sin(3*x)cos(x)*cos(3*x)-(3*sin(x)*sin(3*x))`
The calculation above is a derivative of the function f (x)