Mathematics
Senior High
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（4）の答えが0°と180°になる理由がわからないので解説してほしいです！！
1.0° 180°のとき,次の等式を満たす角 0 を求めよ。
(1) sin 0
=
1
√2
(3) tan0 = V3
(2) cose
=
(4) sin0 = 0
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![基本例題の[2]についてです。ここの条件ですが、
a/3<=1<=4a/3とありますが4a... - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1810404/thumb_l_webp_70236300-B387-4A8D-A246-76C58E626EEE.webp?Expires=1787831202&Signature=ZVormY6kh4nPjqrep8LC0bd686reDdgxhm7CEHhbtVJcTXxl2ok7uXwtzIhUDYiGsecyTcf~bFZykQ8sEIcLGz2cczjvxcfjjZEYMCX1t~uA8b5vk-YV4~z14QoWZi~HkWe2IBQ4fJhlWGkpvxDgSxEd54OtJqxFeZfaaNt9hT-7IJXCmxbdmpUNUnioYKeRd32QGk84I6Z1v5vwe3ZE7tM~xTf~HULu1Qr4GLIevpTp1xGESs7OQvjUMKiLjuNfzrHHiqNT4l8U8napOf7TmrMlrwpDv0l54zT5Hly6GtI9hpdHSfd7OVlpTttVYoVK1wFxQLCDMnmKr9CmC~4pTQ__&Key-Pair-Id=K2W722D70GJS8W&Expires=1787831202&Signature=aFAsCNfeORAOFjzNh9CEXcMcnOUgTiRrM46CpfW9oKB1SChvmWgDanRnzPGK8hHu1E~YNHAc~K90NA-AxvpZRDfud8IlSQe~64Q6qBoEaevE2XO8p17TBdkrZd5nHRa1bZpFyWBg5L5JeTBevROVTyr2ODkFY9uWEQFtALUxg1rrDdUVFf0hIzgFRClcpConsHLx8tZpOjtGdgoUpFwXdEEIFA7Ss0NO0XgAU6PV-KJ1NUnYoSGHI7DLM2niu2lk7F3joAdOH40VuPUZux62FIHOVITcD3vMHfl6NhqagESyX1MyDf07cPC7XbyWbjUxSlvoqoWbt2OREOluLl240g__&Key-Pair-Id=K2W722D70GJS8W)
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わかりました！ありがとうございます！