diff --git a/Grade 10/Math/MCR3U7/Unit 3: Trigonometric Equations b/Grade 10/Math/MCR3U7/Unit 3: Trigonometric Equations
new file mode 100644
index 0000000..e90749e
--- /dev/null
+++ b/Grade 10/Math/MCR3U7/Unit 3: Trigonometric Equations	
@@ -0,0 +1,9 @@
+## Unit 3
+
+## Review
+
+Some special ratios you should know:
+
+$`\csc \theta = \dfrac{1}{sin \theta}`$
+
+$`\sec \theta = \dfrac{1}{\cos \theta}`$
\ No newline at end of file