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標題:
緊急!幫解一條數學題~
發問:
tan245? * cos260? /sin245? =???
tan245? =12 cos260? =0.52 sin245? =0.7072 tan245? x cos260? /sin245? =12x0.52/0.7072 =0.5 唔知正唔正確!
其他解答:
緊急!幫解一條數學題~
發問:
tan245? * cos260? /sin245? =???
此文章來自奇摩知識+如有不便請留言告知
最佳解答:tan245? =12 cos260? =0.52 sin245? =0.7072 tan245? x cos260? /sin245? =12x0.52/0.7072 =0.5 唔知正唔正確!
其他解答:
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