diff --git a/source/precalculus/exercises/bank.xml b/source/precalculus/exercises/bank.xml
index 96131a744..29c7a46bd 100644
--- a/source/precalculus/exercises/bank.xml
+++ b/source/precalculus/exercises/bank.xml
@@ -348,7 +348,7 @@
             </description>
         </outcome>
         
-        <!-- <outcome>
+        <outcome>
             <title>Special Right Triangles</title>
             <slug>TR4</slug>
             <path>outcomes/TR/TR4</path>
@@ -357,7 +357,7 @@
             </description>
         </outcome>
 
-        <outcome>
+        <!-- <outcome>
             <title>The Unit Circle</title>
             <slug>TR5</slug>
             <path>outcomes/TR/TR5</path>
diff --git a/source/precalculus/exercises/outcomes/TR/TR4/generator.sage b/source/precalculus/exercises/outcomes/TR/TR4/generator.sage
new file mode 100644
index 000000000..d0516882b
--- /dev/null
+++ b/source/precalculus/exercises/outcomes/TR/TR4/generator.sage
@@ -0,0 +1,18 @@
+load("../../../source/common/sagemath/library.sage")
+class Generator(BaseGenerator):
+    def data(self):
+
+        functions=sample([sin,cos,tan,sec,csc,cot],3)
+        angles=[pi/6,pi/4,pi/3]
+        shuffle(angles)
+        degrees=[True,False,choice([True,False])]
+        shuffle(degrees)
+        values=[functions[i](angles[i])for i in [0,1,2]]
+        angle_strings= [ f"{latex(s*360/(2*pi))}"+r"^\circ" if degrees[i] else TBIL.typeset_angle(s) for i,s in enumerate(angles)]
+
+
+        return {
+                "tasks": [ {"angle": angle_strings[i], "value": TBIL.typeset_angle(values[i]), "f":functions[i].name()} for i in [0,1,2]]
+        }
+
+  
\ No newline at end of file
diff --git a/source/precalculus/exercises/outcomes/TR/TR4/template.xml b/source/precalculus/exercises/outcomes/TR/TR4/template.xml
new file mode 100644
index 000000000..c03b028fd
--- /dev/null
+++ b/source/precalculus/exercises/outcomes/TR/TR4/template.xml
@@ -0,0 +1,14 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<knowl mode="exercise" xmlns="https://spatext.clontz.org" version="0.2">
+    <!--{{#tasks}}-->
+    <knowl>
+        <content>
+            <p>Compute <m>\{{f}}\left({{angle}}\right)</m>.</p>
+        </content>
+        <outtro>
+            <p><m>\{{f}}\left({{angle}}\right)={{value}}</m>
+            </p>
+        </outtro>
+    </knowl>
+    <!--{{/tasks}}-->
+</knowl>
\ No newline at end of file