Find all angles between 0° and 360° which satisfy the equation
(i)sin(y+30)=3cosy
a-maths!!!
2007-12-16 6:19 am
回答 (1)
2007-12-16 6:39 am
收錄日期: 2021-04-23 20:32:07
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https://hk.answers.yahoo.com/question/index?qid=20071215000051KK04337