diff --git a/Grade 10/Math/MPM2DZ/Trig Quiz 1.md b/Grade 10/Math/MPM2DZ/Trig Quiz 1.md index 3544db3..dbe34f2 100644 --- a/Grade 10/Math/MPM2DZ/Trig Quiz 1.md +++ b/Grade 10/Math/MPM2DZ/Trig Quiz 1.md @@ -78,6 +78,8 @@ $`AB = 12.8`$ $`\text{let the square be } \square ABCD \text{ and the inner triangle } \triangle AEF `$ + + $`\sin (\beta) = \dfrac{EF}{AE} = \dfrac{EF}{1} = EF`$ $`\sin (\alpha) \sin(\beta) = \dfrac{EF}{AE} \times \dfrac{EC}{EF} = \dfrac{EC}{AE} = \dfrac{EC}{1} = EC`$