Question 629671
how many cycles of the graph of y=2/3sin4data appear in an interval of 2pi radians?

Equation for sin function: y=Asin(Bx-C), A=amplitude, period=2π/B, phase shift=C/B
For given problem:y=2/3sin4x
B=4
period=2π/B=2π/4
Number of full cycles in 2pi radians=2π/(2π/4)=4