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Update Trig Quiz 1.md

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James Su 2019-11-13 21:01:58 +00:00
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Grade 10/Math/MPM2DZ/Trig Quiz 1.md
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@ -78,6 +78,8 @@ $`AB = 12.8`$
$`\text{let the square be } \square ABCD \text{ and the inner triangle } \triangle AEF `$
<img src="https://files.catbox.moe/ex7mea.png" width="1000">
$`\sin (\beta) = \dfrac{EF}{AE} = \dfrac{EF}{1} = EF`$
$`\sin (\alpha) \sin(\beta) = \dfrac{EF}{AE} \times \dfrac{EC}{EF} = \dfrac{EC}{AE} = \dfrac{EC}{1} = EC`$