we have to find the value of g(f(x)) We use the formulas for the derivative of a sum of functions and the derivative of a power function. I've made it this far (as x is the only variable, it is sometimes left out): Solve sin(3x)+cos(2x)=0 (sinxcos2x+cosxsin2x)+cos2x=0. The chain rule is a rule used in calculus to find derivatives of compositions of functions. sau đó áp dụng công thức cộng voi hàm cos là ra. Solve 1 + sin 2x = (sin 3x - cos 3x)^2 › Discover The Best Education 17/09/2017. cos 2x cos 3x Diberikan fungsi f (x) = 3 cos x.
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