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education/math/MATH1060 (trig)/Graphing.md

@@ -75,12 +75,13 @@ Given the form $y = A\tan(Bx - C) + D$ (the same applies for $\cot$)
 - The phase shift is $\frac{C}{B}$
 - The vertical shift is $D$
 # Examples
-> Given $-2tan(\pi*x + \pi) - 1$
+> Given $-2\tan(\pi*x + \pi) - 1$
+
  $A = -2$, $B = \pi$, $C = -\pi$, $D = -1$
   
 | Transformation | Equation                  |
 | -------------- | ------------------------- |
 | Stretch        | $\|-2\| = 2$              |
 | Period         | $\frac{\pi}{\|\pi\|} = 1$ |
-| Phase shift    | $                         |
+| Phase shift    | $\frac{-\pi}{\pi} = -1$   |
 | Vertical shift | $-1$                      |