基電遇到的三角函數題part.2 - 考試

By Elizabeth
at 2018-10-16T00:13
at 2018-10-16T00:13
Table of Contents
https://i.imgur.com/eyKuJXp.jpg
我卡在tan的-1次方這邊…
google了也只查到是當作45度的意思?
以致於詳解後面30度不知怎麼出來的
連帶著三角形也就畫不出來了,類似題目都當機
有請各位大神白話一些…數學底子差
--
我卡在tan的-1次方這邊…
google了也只查到是當作45度的意思?
以致於詳解後面30度不知怎麼出來的
連帶著三角形也就畫不出來了,類似題目都當機
有請各位大神白話一些…數學底子差
--
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