Adverb
in a sinusoidal manner
Source: WordNetAlong the line, the above expression for is seen to oscillate sinusoidally between and with a period of 2π/2k. Source: Internet
Consider how the vertical and horizontal displacements of the dot, relative to the center of the circle, vary sinusoidally in time and are out of phase by one quarter of a cycle. Source: Internet
As t increases the wave travels to the right and the value at a given point x oscillates sinusoidally Animation of a 3D plane wave. Source: Internet
If the object is viewed from the same level as the turntable, a projection of the motion of the object seems to be moving backwards and forwards on a straight line orthogonal to the view direction, sinusoidally like the pendulum. Source: Internet
More commonly, problems in electromagnetics are solved in terms of sinusoidally varying fields at a specified frequency. Source: Internet