$$-\csc\left(x\right)+\sin\left(x\right)$$

$$4\sin\left(x\right)-1=0$$

$$\frac{\left(sin+cos\right)^2}{1+2sin\left(cos\right)}$$

$$w\cdot w\cdot w\cdot w\cdot w\cdot w$$

$$\sqrt[3]{xy^6z^9}$$

$$\frac{d}{dx}xlny+sen3x-y$$

$$\int-7x^{-8}dx$$