$$\frac{2x^2+5x-3}{x+1}$$

$$4x^5-10x^3+3x^2-x-6yx^3-2x^2+1$$

$$\frac{\sin\left(x\right)+\sin\left(x\right)\cos\left(x\right)}{\cos\left(x\right)\sin\left(x\right)}=1+\sec\left(x\right)$$

$$\int_0^{2\pi}\left(sin\left(x\right)\right)dx$$

$$\frac{12x^2+6x+2}{3}$$

$$cos\left(x\right).\left(\frac{sin\left(x\right)}{cos\left(x\right)}+\frac{cos\left(x\right)}{sin\left(x\right)}\right)=csc\left(x\right)$$

$$\frac{\left(x.3\right)+6}{3}-x$$