Fixing a few more...

BasicGates/Tasks.qs

@@ -86,15 +86,15 @@ namespace Quantum.Kata.BasicGates {
     // This is the first operation in this kata that is not self-adjoint, 
     // i.e., applying it for a second time does not return the qubit to the original state. 
     operation AmplitudeChange (alpha : Double, q : Qubit) : Unit is Adj+Ctl {
-        // ...
+        Ry(alpha + alpha, q);
     }
 
 
     // Task 1.5. Phase flip
     // Input: A qubit in state |ψ⟩ = α |0⟩ + β |1⟩.
     // Goal:  Change the qubit state to α |0⟩ + iβ |1⟩ (flip the phase of |1⟩ component of the superposition).
     operation PhaseFlip (q : Qubit) : Unit is Adj+Ctl {
-        // ...
+        S(q);
     }