$$f´\left(x\right)=3\left(sen^{ }x\right)^2\left(\cos\ x\right)$$

$$f´\left(x\right)=2\left(sen^{ }x\right)^2\left(\cos\ x\right)$$

$$f´\left(x\right)=3\left(sen^{ }x\right)\left(\cos\ x\right)$$

$$f´\left(x\right)=3\left(sen^{ }x\right)^2\left(\cos^2\ x\right)$$

$$f´\left(x\right)=4\left(\cos\ x^3\right)^3\left(-sen\ x^3\right)\left(3x^2\right)$$

$$f´\left(x\right)=4\left(\cos\ x^3\right)^4\left(-sen\ x^3\right)\left(3x^2\right)$$

$$f´\left(x\right)=4\left(\cos\ x^3\right)^3\left(-sen\ x^3\right)\left(3x^3\right)$$

$$f´\left(x\right)=3\left(\cos\ x^3\right)^3\left(-sen\ x^3\right)\left(3x^2\right)$$

$$f´\left(x\right)=\cos\ x^2\ \left(2x\right)$$

$$f´\left(x\right)=\cos\ x^2\ \left(x\right)$$

$$f´\left(x\right)=sen\ x^2\ \left(2x\right)$$

$$f´\left(x\right)=\cos\ x^{ }\ \left(2x\right)$$

$$f´\left(x\right)=4\ -\sec^2x$$

$$f´\left(x\right)=4\ -\sec^{ }x$$

$$f´\left(x\right)=\sec^2x$$

$$f´\left(x\right)=4\ -\cot^2x$$

$$f´\left(x\right)=6x+\csc^2x$$

$$f´\left(x\right)=6x-\csc^2x$$

$$f´\left(x\right)=6x+\tan^2x$$

$$f´\left(x\right)=6x^2+\csc^2x$$

$$f´\left(x\right)=\cos\ \left(4x^2+x\right)\left(8x+1\right)$$

$$f´\left(x\right)=\cos\ \left(4x^{ }+x\right)\left(8x+1\right)$$

$$f´\left(x\right)=\cos\ \left(4x^2+x\right)\left(8x\right)$$

$$f´\left(x\right)=\cos\ \left(4x^2+x\right)^2\left(8x+1\right)$$

$$f´\left(x\right)=-x^3senx+3x^2\cos x$$

$$f´\left(x\right)=x^3senx+3x^2\cos x$$

$$f´\left(x\right)=-x^3senx-3x^2\cos x$$

$$f´\left(x\right)=-x^3\cos x+3x^2\cos x$$

$$f´\left(x\right)=3\sec x^{ }\tan x\left(3x\right)$$

$$f´\left(x\right)=-x^3sex+3x^2\cos x$$

$$f´\left(x\right)=3\sec\left(3x\right)\tan\left(3x\right)$$

$$f´\left(x\right)=\sec3x^{ }\tan3x$$