Exact solutions of beta-fractional Fokas–Lenells equation via sine-cosine method

In nonlinear plasma physics, photonics and optics, the space-time fractional nonlinear Fokas–Lenells equation associated with beta derivative has significiant applications. This equation is used in this study to provide precise solutions using the Sine-Cosine method. Furthermore, using computer software, we plot the 2D-3D figures of the obtained solutions based on the appropriate parameters. The findings indicate that the suggested technique is simple, efficient and capable of producing complete solutions to nonlinear models due to mathematical physics.