Find mathematical expressions using exponential functions for following simple harmonic waves, and draw the wave at t = 0.(1) wave propagating toward +x direction with velocity: 10 m/s, amplitude: 1, wavelength: 1m (2) wave propagating toward -z direction with period: 0.1 s, amplitude: 2, wavelength: 0.5m (3) wave propagating toward +z direction with k-vector: 3, amplitude: 1, angular frequency: 2

Fig: 1

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