[中學] 三角函數幾題

[adamchi (adamchi)]

1.https://goo.gl/photos/RHDnDmsaGfWAUGHJA

2.https://goo.gl/photos/dZLws59dxVLCtDzx7

3.https://goo.gl/photos/qZKJ12e8sUWR8gLn7

4.https://goo.gl/photos/g4WHVC4E132a3HtQ8

5.https://goo.gl/photos/SnyJeFS3aBDsvtwf7


以上五題請版上高手解惑，謝謝

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