## Algebra 2 Common Core

$$1$$
Use the Reciprocal Identity $$\sec\theta=\frac{1}{\cos\theta}$$ and the Cotangent Identity $$\cot\theta=\frac{\cos\theta}{\sin\theta}.$$ To obtain $$\sin\theta\sec\theta\cot\theta=\sin\theta\bigg(\frac{1}{\cos\theta}\bigg)\bigg(\frac{\cos\theta}{\sin\theta}\bigg)=1.$$