Roulette (curve) in this case, the point lies on the circle then the roulette is a cycloid. A related concept is a glissette, the curve described by a point attached to a given curve as it slides along two (or more) given curves. Formally speaking, the curves must be differentiable curves in the Euclidean plane. The "fixed curve" is kept invariant; the "rolling curve" is subjected to a continuous congruence transformation such that at all times the curves are tangent at a point of contact that moves with the same speed when taken along either curve (another way to express this constraint
What a Beautiful Name Asker, Ligertwood said about the audience: Finally, she said about performing the song: In July 2017, the Voices of Lee, the "elite" a cappella singing group, posted a video of the song to their Facebook page. The cover was an instant hit and reached the so-called viral threshold of 5 million views in two days. As of October 2017, it had amassed 33 million views. The group represents Lee University in Tennessee; the video was filmed in the school's chapel. What a Beautiful Name "What a Beautiful Name" is a song by Australian praise and worship group Hillsong Worship. The