Applicare la formula: $a+\frac{b}{c}$$=\frac{b+ac}{c}$, dove $a=\csc\left(x\right)$, $b=\cos\left(x\right)$, $c=\sin\left(x\right)$, $a+b/c=\frac{\cos\left(x\right)}{\sin\left(x\right)}+\csc\left(x\right)$ e $b/c=\frac{\cos\left(x\right)}{\sin\left(x\right)}$

Applicare l'identità trigonometrica: $\csc\left(\theta \right)$$=\frac{1}{\sin\left(\theta \right)}$

Applicare la formula: $a\frac{b}{c}$$=\frac{ba}{c}$, dove $a=\sin\left(x\right)$, $b=1$ e $c=\sin\left(x\right)$

Applicare la formula: $\frac{a}{a}$$=1$, dove $a=\sin\left(x\right)$ e $a/a=\frac{\sin\left(x\right)}{\sin\left(x\right)}$

Applicare la formula: $\frac{a}{\frac{b}{c}}$$=\frac{ac}{b}$, dove $a=\sin\left(x\right)$, $b=\cos\left(x\right)+1$, $c=\sin\left(x\right)$, $a/b/c=\frac{\sin\left(x\right)}{\frac{\cos\left(x\right)+1}{\sin\left(x\right)}}$ e $b/c=\frac{\cos\left(x\right)+1}{\sin\left(x\right)}$