$$-3\left(8f-5\right)$$

$$\sqrt{\left(15.94\right)}$$

$$10cos\left(8t\right)=-5$$

$$\frac{\cos\left(x\right)\cot\left(\frac{\pi}{2}-x\right)}{\sin\left(x\right)}$$

$$\tan\left(x\right)-1.26=0$$

$$\frac{h^7h^5}{h^7}$$

$$4a^3w+20a^2w^2+25aw^3$$