基本電學/92年 - 考試

By Skylar DavisLinda
at 2013-05-27T21:49
at 2013-05-27T21:49
Table of Contents
http://wwwc.moex.gov.tw/ExamQuesFiles/Question/092/014425300.pdf
請問42 43 46 50題要怎麼算呢
42題 我用答案反推sin(5t-90)=-1/2
θ=210 or -30度 but5*12*(360/2π)-90=3349.49 sin3349.49=0.94
請問哪裡有問題呢~~
謝謝~~
--
請問42 43 46 50題要怎麼算呢
42題 我用答案反推sin(5t-90)=-1/2
θ=210 or -30度 but5*12*(360/2π)-90=3349.49 sin3349.49=0.94
請問哪裡有問題呢~~
謝謝~~
--
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