In a no-load and lossless transmission line, which one of the following relations is correct? Herein, \(\mathbf{V}_{\mathbf{R}}, \mathbf{V}_{\mathbf{S}}, \beta, \gamma\), and \(l\) are the voltage of receiving end, voltage of sending end, phase constant, propagation constant, and length of line, respectively.

1) \(\mathbf{V}_{R}=\frac{\mathbf{V}_{\mathrm{S}}}{\sin (\beta l)}\)

2) \(\mathbf{V}_{\mathbf{R}}=\frac{\mathbf{V}_{\mathbf{S}}}{\sin (\gamma l)}\)

3) \(\mathbf{V}_{\mathbf{R}}=\frac{\mathbf{V}_{\mathbf{S}}}{\cos (\beta l)}\)

4) \(\mathbf{V}_{\mathbf{R}}=\frac{\mathbf{V}_{\mathrm{s}}}{\cos (\gamma l)}\)