How do you graph two complete cycles of $y = 2.5 cos (\frac{2 π}{5} t)$ $y=2.5cos((2pi)/5t)$ ?

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Answer 1 · 2018-07-14T08:45:50

The amplitude of this cosine wave is 2.5.

The period ( spread for one cycle ) = ( 2 pi )/ ((2 pi )/5 ) = 5

See the blocked graph, for two cycles, $- 5 \leq t \leq 5$ $- 5 <= t <= 5$ :

graph{(y-2.5 cos (0.4 pi x))(x-5+0y)(x+5-0y)= 0 [-5. 5 -3 3]} .

How do you graph two complete cycles of y=2.5cos((2pi)/5t)y=2.5cos(2π5t)y=2.5cos((2pi)/5t)?