graphing trig keys
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sec starts at
(0, amplitude)
csc starts at
(increment, amplitude)
cot starts at
(π/2,0)
sec asymptotes
+/- π/2, +/- 3π/2
tan asymptotes
+/- π/2, 3π/2
csc asymptotes
0, +/- π, +/- 2π
cot asymptotes
0, π, 2π
cos period
2π/B
csc period
2π/B
sec period
2π/B
sin period
2π/B
C
horizontal phase shift
sin starts at
origin
tan starts at
origin
D
vertical phase shift
trig function equation
y=Atrig(Bx-C)+D
cot period
π/B
tan period
π/B
B
affects period
A
amplitude
cos starts at
amplitude