precal
posted by Kim .
5 t values used to graph (called key pts or inflection pts) and primary cycle?
1) y=2sin(xpi)
2) y=sin3x2
3) 3cos(1/2x+pi/3)+1
4) cospi(x1)

Please state your question more clearly. What do you mean by "t values" and "primary cycle"?
I have never heard of inflection points referred to as "key points", or vice versa.
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